P2146 duramax lb7

Aug 31, 2016 · Now have EFILive FlashScan V2 and # 7 injector has a bal. rate of +0.8MM3 with a calculated fuel rate 8.3 MM3, so injector looks good but could have an intermittent open coil circuit (P0207). Getting ready to pull right valve cover to check injector wiring. if I do not find wiring problem then the #7 injector will be replaced. The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax Dec 23, 2009 · That’s about an 8 hour drive from home. Truck was hard to start this morning and it through some codes once it did start. Also it was -26 last night and the breaker blew on the circuit I had it plugged into. P0206 – Fuel Injector 6 Control Circuit. P2146 – Injector Positive Voltage Relay Control Circuit Group 1. Drove truck off trailer into my shop. Trying to diagnose intermittent problem. Started engine ( no engine check light on)and brought up to operating temp, engine operating as it should. Checked codes (P0207 & P2146), cleared codes and tried moving #7 injector and FICM wiring with no problems found with engine running.Dec 12, 2020 · How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. The three FPRV fixes are installing a FPRV shim kit, replacing your FPRV with a race fuel valve, or replacing your FPRV with another OEM FPRV. 1. GM OEM Transmission Oil Cooler Inlet Pipe (2003-2005) Item #: 15170217. Price: $48.28. Add to Cart. GM OEM Transmission Oil Cooler Lower Line (2003-2005) Item #: 15170215. Price: $49.26. Add to Cart. GM OEM Transmission Oil Cooler Outlet Pipe (2003-2005)*. 03 LB7 Limp mode. P0206 P2146. SwampDonkeyLB7; Apr 24, 2016 ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax ... This item: PPE Standard Xcelerator Duramax 2001-2010 LB7/LLY/LBZ/LMM - 111020000. $449.99. Only 5 left in stock - order soon. Ships from and sold by Thoroughbred Diesel. Get it Jul 22 - 27. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. 2001-2004 GM 6.6L LB7 Duramax. 6.6L LB7 Air Intakes & Accessories; 6.6L LB7 Axles & Components; 6.6L LB7 Cooling System Parts; 6.6L LB7 Electrical Parts; 6.6L LB7 Engine Parts; 6.6L LB7 Exhaust Parts; 6.6L LB7 Exterior Parts; 6.6L LB7 Fuel System Parts; 6.6L LB7 Gauges & Pods; 6.6L LB7 Lighting; 6.6L LB7 Performance Bundles; 6.6L LB7 ... HSP Diesel Performance Products . All Categories. All HSP; Air Intakes; Apparel; Axles, Diffs & Gears; Engine Components Shorted injectors. anyone have any clue on what would cause an injector to short to ground? this is the second one in several months. the codes that popped up: codes: P0201, P0204, P0206, P0207, P2146. the injector that shorted out (to ground) was cylinder #1. last time it was cylinder #5. it ends up shutting down the whole bank and it suck to ...HSP Diesel Performance Products . All Categories. All HSP; Air Intakes; Apparel; Axles, Diffs & Gears; Engine Components It has codes P0201, P0204, P0206, P0207, P2146, we have no power to the FCIM pin 3 on - Answered by a verified Chevy Mechanic. ... Ivery been doing some research to try and fix my problem with my 2001 chevy 3500 duramax lb7. It cranks but want run an I get codes p0201, p0204, p0206, p0207 and p1261. ...The 6.6-liter LB7 Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles. The LB7 Duramax Engine was replacing the old 6.5-L Detroit built engine which was a big jump forward in technology. Apr 24, 2016 · 2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ... Group 1-DTC P2146 with injectors 1 and 4. Group 2-DTC P2149 with injectors 6 and 7. Group 3-DTC P2152 with injectors 2 and 5. Group 4-DTC P2155 with injectors 3 and 8. Depending on what code you got I would suggest removing the connector from the affected injectors and measuring resistance across the terminals for the injector. summary: 6.6l lb7 duramax diesel turbocharger noises or fuel economy complaint. service vme. sit bulletin 1401355. *tt communication number: 01499, date: 2004-01-01 category: 061000 engine and engine cooling:engine summary: 2004 6.6l duramax lb7 engines with extended crank during hot engine restart. diagnostic trouble code (dtc) p0193 may or ... The joint venture (and resulting engine) was known as Duramax, and the LB7 was the first of many models to come. It's a 6.6-liter, common-rail injected, 32-valve, V8 turbodiesel which put out 235hp and 500 pounds of torque in its first year, and for the final year of '04 the LB7's output had grown to 300hp and 520 pounds of torque. When ...Group 1-DTC P2146 with injectors 1 and 4. Group 2-DTC P2149 with injectors 6 and 7. Group 3-DTC P2152 with injectors 2 and 5. Group 4-DTC P2155 with injectors 3 and 8. Depending on what code you got I would suggest removing the connector from the affected injectors and measuring resistance across the terminals for the injector. http://www.toxicdiesel.com/ This Video Will Show You How To Check Your LB7 Fuel Injectors If The Solenoids Are Bad, Keep In Mind That All Trucks Are Differen... Remanufactured fuel injection control (F.I.C.M) module. This is the highest quality replacement module on the market! Fits 2001-2004 Chevy / GMC 2500HD / 3500HD LB7. 03 LB7 Limp mode. P0206 P2146. SwampDonkeyLB7; Apr 24, 2016 ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax ... The Duramax Tuner LB7 Transmission Tuning offers better transmission performance for your 2001-2004 GM 6.6L Duramax LB7. The 5 Speed Allison in your truck earned its reputation for quality largely because of the advanced electronic control offered by the TCM (Transmission Control Module). Brand New! Bosch LB7 Injectors (No Core Charge) Full Set of 8. Fits 2001-2004 Chevy/GMC 2500/3500 HD Duramax LB7. Part# 0445-120-008. 3 Year Unlimited Mile Warranty. Brand New, No Core Charge LB7 Injectors! These kits come complete with all the newest updates along with all brand new bodies and internals. The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. P2146 code definition. Fuel Injector Group "A" Supply Voltage Circuit/Open. What the P2146 code means. P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group "A" supply voltage circuit is open. This could be from bank 1 or the "A" supply voltage circuit that is open.Description: Fits: 2004.5-2012 GM/Duramax *This will fit the 2001-2004 LB7 models with modifications. New fuel lines will be required to route from the FICM to the Fuel Filter Housing. Jan 30, 2011 · The cheap fix that will last, is to remove the connector, place it against something flat, and push a SHARP ice pick into both terminals. This will raise a dimple inside the connector for a better contact. Do this for #2 and #7 injectors. (The cylinders are numbered from the front--- passenger side- 1-3-5-7 and the drivers side is 2-4-6-8) The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted.GM OEM Transmission Oil Cooler Inlet Pipe (2003-2005) Item #: 15170217. Price: $48.28. Add to Cart. GM OEM Transmission Oil Cooler Lower Line (2003-2005) Item #: 15170215. Price: $49.26. Add to Cart. GM OEM Transmission Oil Cooler Outlet Pipe (2003-2005)*. Jun 06, 2004 · 01-04 LB7 6.6L Duramax CP3 Pump Sale! $ 569.00 $ 519.00 PRODUCT CODE: PFI-017X; 01-04 LB7 6.6L Duramax Fuel Injector Wiring Harness Sale! $ 104.95 $ 89.95 PRODUCT CODE: 97207227; 01-04 LB7 6.6L Duramax Turbo Down Pipe MBRP Sale! $ 253.22 $ 229.99 PRODUCT CODE: GMCA425; 01-04 LB7 Duramax Injector O-Ring Kit Sale! $ 4.50 $ 3.75 PRODUCT CODE: LB7 ... Jul 31, 2018 · If the vehicle had only injector circuit codes for P0202 or P0207 (with bank shutdown P2146 or P2149), and the wiggle test induces a P0202 or P0207 to reset, use bulletin number 05-06-04-047B to repair the injector connectors and install the injector harness support kit. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. P2146 code definition. Fuel Injector Group “A” Supply Voltage Circuit/Open. What the P2146 code means. P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group “A” supply voltage circuit is open. This could be from bank 1 or the “A” supply voltage circuit that is open. Shorted injectors. anyone have any clue on what would cause an injector to short to ground? this is the second one in several months. the codes that popped up: codes: P0201, P0204, P0206, P0207, P2146. the injector that shorted out (to ground) was cylinder #1. last time it was cylinder #5. it ends up shutting down the whole bank and it suck to ... Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. More of this truck to come!AMSOIL purchase link...The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted.Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. Dec 17, 2021 · The bulk of most no-start conditions on an LB7 have to do with the fuel system, some with the starting system, and occasionally there will be trouble caused by other sensors like the camshaft position sensor, crankshaft position sensor, fuel injection control module, a faulty ECM, and more. Likely if there is an issue with any of those systems ... You've heard about LB7 injectors and how they're prone to failure. In this episode of Diesel Insights, DT's Nick Priegnitz explains the manufacturer shortcom...Direct replacement for 2001 – 2004 GM Duramax-powered pickup trucks. SAC00™ are exclusive to S&S, so LB7-equipped truck owners can take comfort in knowing that every SAC00™ LB7 Duramax injector is a genuine S&S Diesel Motorsport product. The LB7 Duramax is a great engine, yet the stock VCO injectors are notorious for having a short lifespan. This item: PPE Standard Xcelerator Duramax 2001-2010 LB7/LLY/LBZ/LMM - 111020000. $449.99. Only 5 left in stock - order soon. Ships from and sold by Thoroughbred Diesel. Get it Jul 22 - 27. Jul 14, 2022 · Search: Duramax Ground Problem. 200 and 203 are also grounds but the one causing the problem was to the chassis frame The Capistrano Lattice Arbor is designed with a quiet suburban setting in mind, adding a subtle touch to any garden DTC P2146 will set if similar high-voltage circuit problems are detected in fuel injectors #1, #4, #6 and #7 We show you how to fix head gaskets, test fuel ... Jan 28, 2008 · It has a reoccuring problem of the engine light going on, loosing all power and knocking. This has happened to me about 5 times so far. The engine will return to running normal sometimes after stoping and restarting the engine once or somtimes restarting the engine many time over many hours. The computer shown a P2146 code. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted.This set of ARP-2000 Pro Series cylinder head studs are cold-forged to ensure molecular integrity and are best suited to mild performance builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016. Aug 31, 2016 · Now have EFILive FlashScan V2 and # 7 injector has a bal. rate of +0.8MM3 with a calculated fuel rate 8.3 MM3, so injector looks good but could have an intermittent open coil circuit (P0207). Getting ready to pull right valve cover to check injector wiring. if I do not find wiring problem then the #7 injector will be replaced. May 04, 2015 · How to Know if You Have Bad Duramax Head Gaskets and What To Do About It; LML 6.6 Duramax Tech Articles; LMM 6.6 Duramax Tech Articles; LLY 6.6 Duramax Tech Articles; Duramax 6.6 LB7 Tech Articles; LBZ 6.6 Duramax Tech Articles; What Exactly Is EFI Live, HP Tuners, UDC, or Other Custom Tuning? Free Rev Show . Free Rev Show #1; Free Rev Show #2 ... Shipped approximately 8-10 business days after order is placed. $1,545.00. (6 reviews) Write a Review. Extreme Clutch Upgrade: Recommended for 1000+ HP trucks. Already included in J & AR. Stall Speed: Jul 24, 2015 · P0201, P0204, P0206, P0207, P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction P2146 - Fuel Injector Group “A” Supply Voltage Circuit/Open Here's a link to my original post on DF... The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. 2001-2004 GM 6.6L LB7 Duramax. 6.6L LB7 Air Intakes & Accessories; 6.6L LB7 Axles & Components; 6.6L LB7 Cooling System Parts; 6.6L LB7 Electrical Parts; 6.6L LB7 Engine Parts; 6.6L LB7 Exhaust Parts; 6.6L LB7 Exterior Parts; 6.6L LB7 Fuel System Parts; 6.6L LB7 Gauges & Pods; 6.6L LB7 Lighting; 6.6L LB7 Performance Bundles; 6.6L LB7 ... Shorted injectors. anyone have any clue on what would cause an injector to short to ground? this is the second one in several months. the codes that popped up: codes: P0201, P0204, P0206, P0207, P2146. the injector that shorted out (to ground) was cylinder #1. last time it was cylinder #5. it ends up shutting down the whole bank and it suck to ...p2146-bank 1 (cylinders 1-3) shorted high or low. . . . . . . . . . . . . .9-1529 I would try disconnecting the Edge and running the truck to see if it runs like it did before, if this started after Edge was installed.The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted.The P2146 is defined as Fuel Injector Group “A” Supply Voltage Circuit/Open. Your vehicle’s Powertrain Control Module controls the signals that go to the fuel injectors. These go in groups of two, if it detects that any of the two fuel injectors in that specific group is not working properly it will set the P2146 code. Shipped approximately 8-10 business days after order is placed. $1,545.00. (6 reviews) Write a Review. Extreme Clutch Upgrade: Recommended for 1000+ HP trucks. Already included in J & AR. Stall Speed: The 6.6-liter LB7 Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles. The LB7 Duramax Engine was replacing the old 6.5-L Detroit built engine which was a big jump forward in technology. Jun 06, 2004 · 01-04 LB7 6.6L Duramax CP3 Pump Sale! $ 569.00 $ 519.00 PRODUCT CODE: PFI-017X; 01-04 LB7 6.6L Duramax Fuel Injector Wiring Harness Sale! $ 104.95 $ 89.95 PRODUCT CODE: 97207227; 01-04 LB7 6.6L Duramax Turbo Down Pipe MBRP Sale! $ 253.22 $ 229.99 PRODUCT CODE: GMCA425; 01-04 LB7 Duramax Injector O-Ring Kit Sale! $ 4.50 $ 3.75 PRODUCT CODE: LB7 ... I have a 2004 chevy 2500hd with the LLY Duramax. it is sending some codes p2146,p0207,p0206, p0204, p0201. was wonderin - Answered by a verified Chevy Mechanic ... Ivery been doing some research to try and fix my problem with my 2001 chevy 3500 duramax lb7. It cranks but want run an I get codes p0201, p0204, p0206, p0207 and p1261.After stopping for lunch, the owner was dismayed to find that his Duramax immediately went into "limp mode" as the engine started. Search. Video. Webinars. Products. Podcasts ... #3, #5 and #8. According to the circuit description, DTCs P0202, P0203, P0205and P0208 should also set. DTC P2146 will set if similar high-voltage circuit problems ...It has codes P0201, P0204, P0206, P0207, P2146, we have no power to the FCIM pin 3 on - Answered by a verified Chevy Mechanic. ... Ivery been doing some research to try and fix my problem with my 2001 chevy 3500 duramax lb7. It cranks but want run an I get codes p0201, p0204, p0206, p0207 and p1261. ...May 04, 2015 · How to Know if You Have Bad Duramax Head Gaskets and What To Do About It; LML 6.6 Duramax Tech Articles; LMM 6.6 Duramax Tech Articles; LLY 6.6 Duramax Tech Articles; Duramax 6.6 LB7 Tech Articles; LBZ 6.6 Duramax Tech Articles; What Exactly Is EFI Live, HP Tuners, UDC, or Other Custom Tuning? Free Rev Show . Free Rev Show #1; Free Rev Show #2 ... Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. More of this truck to come!AMSOIL purchase link...Apr 24, 2016 · 2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ... Jan 30, 2011 · The cheap fix that will last, is to remove the connector, place it against something flat, and push a SHARP ice pick into both terminals. This will raise a dimple inside the connector for a better contact. Do this for #2 and #7 injectors. (The cylinders are numbered from the front--- passenger side- 1-3-5-7 and the drivers side is 2-4-6-8) The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. Jul 19, 2010 · Injector Voltage problem. My truck keeps throwing this code (P2146) whenever I get on it. It is doing it all the time now when I get on it hard. When it does it I think it shuts off injectors 1-4, it will start running really rough and will do so until I shut it off and clear the code. From what I have read the ecm isn't supplying the correct ... Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. This item: PPE Standard Xcelerator Duramax 2001-2010 LB7/LLY/LBZ/LMM - 111020000. $449.99. Only 5 left in stock - order soon. Ships from and sold by Thoroughbred Diesel. Get it Jul 22 - 27. Dec 12, 2020 · How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. The three FPRV fixes are installing a FPRV shim kit, replacing your FPRV with a race fuel valve, or replacing your FPRV with another OEM FPRV. 1. Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. More of this truck to come!AMSOIL purchase link... HSP Diesel Performance Products . All Categories. All HSP; Air Intakes; Apparel; Axles, Diffs & Gears; Engine Components May 26, 2022 · The Chevy/GMC Duramax 6.6-liter diesel engine has proven to be a powerful and reliable workhorse since introduced in 2001. There were several variations of the 6.6 Duramax. They are broken down by the following identifications: LB7 (2001-2004), LLY (2004-2005), LBZ (2006-2007), LMM (2007-2010), LGH (2007-2017), LML (2011-2016), and L5P (2017 ... Oct 15, 2009 · p2146-bank 1 (cylinders 1-3) shorted high or low. . . . . . . . . . . . . .9-1529. I would try disconnecting the Edge and running the truck to see if it runs like it did before, if this started after Edge was installed. Did you pull the code from the Edge or the key (cycling three times On-off and on the 3rd time leave in run code will be shown ... Please Like, Comment, and Share. Be sure to subscribe for future videos. Don't forget to hit the bell icon for notifications. YouTube has changed what they s...The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax Please Like, Comment, and Share. Be sure to subscribe for future videos. Don't forget to hit the bell icon for notifications. YouTube has changed what they s...The LB7 featured a 32-valve design with high-pressure common-rail direct injection. Unfortunately the LB7 is somewhat remembered by its fuel injector failures and overheating. GM now warranties these issues but it will always stick with the LB7 name. Horsepower: 300 hp @ 3,100 RPM Torque: 520 lb-ft @ 1,800 RPM. 6.6 Duramax: LLY http://www.toxicdiesel.com/ This Video Will Show You How To Check Your LB7 Fuel Injectors If The Solenoids Are Bad, Keep In Mind That All Trucks Are Differen...Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... This set of ARP-2000 Pro Series cylinder head studs are cold-forged to ensure molecular integrity and are best suited to mild performance builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016. Jul 24, 2015 · P0201, P0204, P0206, P0207, P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction P2146 - Fuel Injector Group “A” Supply Voltage Circuit/Open Here's a link to my original post on DF... Jul 31, 2018 · If the vehicle had only injector circuit codes for P0202 or P0207 (with bank shutdown P2146 or P2149), and the wiggle test induces a P0202 or P0207 to reset, use bulletin number 05-06-04-047B to repair the injector connectors and install the injector harness support kit. P0207 duramax 2017 Jun 06, 2004 · 01-04 LB7 6.6L Duramax CP3 Pump Sale! $ 569.00 $ 519.00 PRODUCT CODE: PFI-017X; 01-04 LB7 6.6L Duramax Fuel Injector Wiring Harness Sale! $ 104.95 $ 89.95 PRODUCT CODE: 97207227; 01-04 LB7 6.6L Duramax Turbo Down Pipe MBRP Sale! $ 253.22 $ 229.99 PRODUCT CODE: GMCA425; 01-04 LB7 Duramax Injector O-Ring Kit Sale! $ 4.50 $ 3.75 PRODUCT CODE: LB7 ... Brand New! Bosch LB7 Injectors (No Core Charge) Full Set of 8. Fits 2001-2004 Chevy/GMC 2500/3500 HD Duramax LB7. Part# 0445-120-008. 3 Year Unlimited Mile Warranty. Brand New, No Core Charge LB7 Injectors! These kits come complete with all the newest updates along with all brand new bodies and internals. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. The LB7 featured a 32-valve design with high-pressure common-rail direct injection. Unfortunately the LB7 is somewhat remembered by its fuel injector failures and overheating. GM now warranties these issues but it will always stick with the LB7 name. Horsepower: 300 hp @ 3,100 RPM Torque: 520 lb-ft @ 1,800 RPM. 6.6 Duramax: LLY Shipped approximately 8-10 business days after order is placed. $1,545.00. (6 reviews) Write a Review. Extreme Clutch Upgrade: Recommended for 1000+ HP trucks. Already included in J & AR. Stall Speed: HSP Diesel Performance Products . All Categories. All HSP; Air Intakes; Apparel; Axles, Diffs & Gears; Engine Components PSC's SP1404 power steering pump is a popular upgrade amongst Duramax owners. Customer looking for the ultimate in performance and leak free operation pair this pump with our 600-540 Leak Free Line Set. FICM/IDM for 2004.5-2005 GM 6.6L Duramax LLY. Part #’s 97303751 / 0 281 011 134. Please Select New OEM or Reman in Options. Reman FICM -Lifetime Warranty. New FICM- 1 Year Unlimited Mile Warranty. Diesel Injector Driver Module (IDM) or Fuel Injector Control Module (FICM) is manufactured and tested to the strictest OE standards for ... Group 1-DTC P2146 with injectors 1 and 4. Group 2-DTC P2149 with injectors 6 and 7. Group 3-DTC P2152 with injectors 2 and 5. Group 4-DTC P2155 with injectors 3 and 8. Depending on what code you got I would suggest removing the connector from the affected injectors and measuring resistance across the terminals for the injector. Aug 31, 2016 · Now have EFILive FlashScan V2 and # 7 injector has a bal. rate of +0.8MM3 with a calculated fuel rate 8.3 MM3, so injector looks good but could have an intermittent open coil circuit (P0207). Getting ready to pull right valve cover to check injector wiring. if I do not find wiring problem then the #7 injector will be replaced. Jul 14, 2022 · Search: Duramax Ground Problem. 200 and 203 are also grounds but the one causing the problem was to the chassis frame The Capistrano Lattice Arbor is designed with a quiet suburban setting in mind, adding a subtle touch to any garden DTC P2146 will set if similar high-voltage circuit problems are detected in fuel injectors #1, #4, #6 and #7 We show you how to fix head gaskets, test fuel ... Remanufactured fuel injection control (F.I.C.M) module. This is the highest quality replacement module on the market! Fits 2001-2004 Chevy / GMC 2500HD / 3500HD LB7. Oct 09, 2007 · Associate Degree. 2,871 satisfied customers. codes p0207 injector circuit open cyl. 7 , p1293 injector circuit. codes p0207 injector circuit open cyl. 7 , p1293 injector circuit low to high current transition time bank 1, p2146 fuel injector group "A" supply voltage … read more. 2001-2004 GM 6.6L LB7 Duramax. 6.6L LB7 Air Intakes & Accessories; 6.6L LB7 Axles & Components; 6.6L LB7 Cooling System Parts; 6.6L LB7 Electrical Parts; 6.6L LB7 Engine Parts; 6.6L LB7 Exhaust Parts; 6.6L LB7 Exterior Parts; 6.6L LB7 Fuel System Parts; 6.6L LB7 Gauges & Pods; 6.6L LB7 Lighting; 6.6L LB7 Performance Bundles; 6.6L LB7 ... service vme. lb7 6.6l engine. sit bulletin 1401353. various models including 2003 and 2004 gmc c4500 and 5500 trucks. 03/01/04: NHTSA ID: 10005513 TSB ID: 001496A This message is in regard to duramax turbocharger noises or possibly a performance or fuel economy complaint. service vme. 6.6 lb7 diesel engine. p0102, p0103, p0236. 02/27/04 Jul 24, 2015 · P0201, P0204, P0206, P0207, P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction P2146 - Fuel Injector Group “A” Supply Voltage Circuit/Open Here's a link to my original post on DF... Allison 1000 Rear Output Shaft Nut, LB7 LLY LBZ LMM, 2001-2010 Duramax New Merchant Automotive. USD 61.85 61.85 1 61.85. Allison 1000 Rear Output Shaft Nut, LB7 LLY LBZ LMM, 2001-2010 Duramax. (0) Reviews: Write first review. Condition: New. Price: $61.85. Buy in monthly payments with Affirm on orders over $50. Learn more. Brand New LB7 Duramax Stock Cylinder Heads (2001-2004) $ 2,116.12. Buy in monthly payments with Affirm on orders over $50. Learn more. Part Number: PDM-LB7SHN. Categories: 2001-2004 6.6L LB7, Cylinder Heads, Cylinder Heads, Duramax, Engine, Engine, Industrial Injection Tag: Duramax Head. Jul 31, 2018 · If the vehicle had only injector circuit codes for P0202 or P0207 (with bank shutdown P2146 or P2149), and the wiggle test induces a P0202 or P0207 to reset, use bulletin number 05-06-04-047B to repair the injector connectors and install the injector harness support kit. The P2146 is defined as Fuel Injector Group “A” Supply Voltage Circuit/Open. Your vehicle’s Powertrain Control Module controls the signals that go to the fuel injectors. These go in groups of two, if it detects that any of the two fuel injectors in that specific group is not working properly it will set the P2146 code. This set of ARP-2000 Pro Series cylinder head studs are cold-forged to ensure molecular integrity and are best suited to mild performance builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016. P2146 code definition. Fuel Injector Group “A” Supply Voltage Circuit/Open. What the P2146 code means. P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group “A” supply voltage circuit is open. This could be from bank 1 or the “A” supply voltage circuit that is open. Jul 24, 2015 · P0201, P0204, P0206, P0207, P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction P2146 - Fuel Injector Group “A” Supply Voltage Circuit/Open Here's a link to my original post on DF... P0207 duramax 2017 Apr 24, 2016 · 2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ... Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. More of this truck to come!AMSOIL purchase link... Dec 23, 2009 · That’s about an 8 hour drive from home. Truck was hard to start this morning and it through some codes once it did start. Also it was -26 last night and the breaker blew on the circuit I had it plugged into. P0206 – Fuel Injector 6 Control Circuit. P2146 – Injector Positive Voltage Relay Control Circuit Group 1. The Duramax Tuner LB7 Transmission Tuning offers better transmission performance for your 2001-2004 GM 6.6L Duramax LB7. The 5 Speed Allison in your truck earned its reputation for quality largely because of the advanced electronic control offered by the TCM (Transmission Control Module). Dec 17, 2021 · The bulk of most no-start conditions on an LB7 have to do with the fuel system, some with the starting system, and occasionally there will be trouble caused by other sensors like the camshaft position sensor, crankshaft position sensor, fuel injection control module, a faulty ECM, and more. Likely if there is an issue with any of those systems ... Direct replacement for 2001 – 2004 GM Duramax-powered pickup trucks. SAC00™ are exclusive to S&S, so LB7-equipped truck owners can take comfort in knowing that every SAC00™ LB7 Duramax injector is a genuine S&S Diesel Motorsport product. The LB7 Duramax is a great engine, yet the stock VCO injectors are notorious for having a short lifespan. The 6.6-liter LB7 Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles. The LB7 Duramax Engine was replacing the old 6.5-L Detroit built engine which was a big jump forward in technology. Drove truck off trailer into my shop. Trying to diagnose intermittent problem. Started engine ( no engine check light on)and brought up to operating temp, engine operating as it should. Checked codes (P0207 & P2146), cleared codes and tried moving #7 injector and FICM wiring with no problems found with engine running.Brand New LB7 Duramax Stock Cylinder Heads (2001-2004) $ 2,116.12. Buy in monthly payments with Affirm on orders over $50. Learn more. Part Number: PDM-LB7SHN. Categories: 2001-2004 6.6L LB7, Cylinder Heads, Cylinder Heads, Duramax, Engine, Engine, Industrial Injection Tag: Duramax Head. Oct 09, 2007 · Associate Degree. 2,871 satisfied customers. codes p0207 injector circuit open cyl. 7 , p1293 injector circuit. codes p0207 injector circuit open cyl. 7 , p1293 injector circuit low to high current transition time bank 1, p2146 fuel injector group "A" supply voltage … read more. Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. Dec 12, 2020 · How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. The three FPRV fixes are installing a FPRV shim kit, replacing your FPRV with a race fuel valve, or replacing your FPRV with another OEM FPRV. 1. Nov 13, 2010 · Bank Shut Down DTCs P2146 or P2149, Reduced Engine Power (Repair Fuel Injector Control Module (FICM) Harness Chafed Wires) Models: 2001-2004 Chevrolet Kodiak C4500/C5500 Series, Silverado Models 2001-2004 GMC Sierra Models, TopKick C4500/C5500 Series Equipped with Duramax(TM) Diesel Engine RPO LB7 2004-2005 Chevrolet Kodiak, Silverado Models HSP Diesel 12mm Factory Oil Feed Plug (LB7-LMM) RFAB. $6.18. 5/16" Worm Gear Clamp RFAB. $1.85. HSP 2003-2004 Chevrolet / GMC Max Air Flow Bundle HSP. As low as $831.58. HSP 2in Replacement Up-Pipes for 2001-2004 Chevrolet / GMC Duramax HSP. As low as $442.10. HSP 2003-2004 Chevrolet / GMC Deluxe Max Air Flow Bundle HSP. service vme. lb7 6.6l engine. sit bulletin 1401353. various models including 2003 and 2004 gmc c4500 and 5500 trucks. 03/01/04: NHTSA ID: 10005513 TSB ID: 001496A This message is in regard to duramax turbocharger noises or possibly a performance or fuel economy complaint. service vme. 6.6 lb7 diesel engine. p0102, p0103, p0236. 02/27/04 The 2004 Silverado 2500HD LLY Duramax threw codes P0202 and P2149 yesterday, which means that the wiring to injector #2 is shot. It will sporadically run lik...This set of ARP-2000 Pro Series cylinder head studs are cold-forged to ensure molecular integrity and are best suited to mild performance builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016. It has codes P0201, P0204, P0206, P0207, P2146, we have no power to the FCIM pin 3 on - Answered by a verified Chevy Mechanic. ... Ivery been doing some research to try and fix my problem with my 2001 chevy 3500 duramax lb7. It cranks but want run an I get codes p0201, p0204, p0206, p0207 and p1261. ...Description: Fits: 2004.5-2012 GM/Duramax *This will fit the 2001-2004 LB7 models with modifications. New fuel lines will be required to route from the FICM to the Fuel Filter Housing. P2146 code definition. Fuel Injector Group “A” Supply Voltage Circuit/Open. What the P2146 code means. P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group “A” supply voltage circuit is open. This could be from bank 1 or the “A” supply voltage circuit that is open. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. Sep 06, 2010 · The FICM is seeing a problem with the fuel injection circuit for cylinders 1, 4, 6, or 7, so you get DTCs P0201, P0204, P0206, P0207 and DTC P2146. I'd clean or ice pick those connectors and check the harness for problems very carefully. Or get a new harness -- how many miles on the truck. Member #28 of the OiO association. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. The P2146 is defined as Fuel Injector Group “A” Supply Voltage Circuit/Open. Your vehicle’s Powertrain Control Module controls the signals that go to the fuel injectors. These go in groups of two, if it detects that any of the two fuel injectors in that specific group is not working properly it will set the P2146 code. PSC's SP1404 power steering pump is a popular upgrade amongst Duramax owners. Customer looking for the ultimate in performance and leak free operation pair this pump with our 600-540 Leak Free Line Set. The Duramax LB7 was the first engine released under the new 6.6L Duramax platform. The LB7 was considered a strong and stout engine for the time, producing 235hp and 500lb-ft. of torque which was upgraded to 300hp and 520lb-ft. of torque in 2004. However, the LB7 produces about half the power as the diesels of today do, such as the L5P. The Duramax Tuner LB7 Transmission Tuning offers better transmission performance for your 2001-2004 GM 6.6L Duramax LB7. The 5 Speed Allison in your truck earned its reputation for quality largely because of the advanced electronic control offered by the TCM (Transmission Control Module). Intake heater delete. trans not shifting propely. trans not shifting propely. Suncoast not shifting good. shutting down during sled pulling. LB7 Fuel Injector balance rates reading 0. DSP5 Operating system causing flashing glow plug and SES light. help tune wont install. edge insight & efi. It has codes P0201, P0204, P0206, P0207, P2146, we have no power to the FCIM pin 3 on - Answered by a verified Chevy Mechanic. ... Ivery been doing some research to try and fix my problem with my 2001 chevy 3500 duramax lb7. It cranks but want run an I get codes p0201, p0204, p0206, p0207 and p1261. ...May 26, 2022 · The Chevy/GMC Duramax 6.6-liter diesel engine has proven to be a powerful and reliable workhorse since introduced in 2001. There were several variations of the 6.6 Duramax. They are broken down by the following identifications: LB7 (2001-2004), LLY (2004-2005), LBZ (2006-2007), LMM (2007-2010), LGH (2007-2017), LML (2011-2016), and L5P (2017 ... P0207 duramax 2017 Jul 22, 2022 · For sale used LB7 duramax engine. Has new head gaskets, head bolts, reconditioned heads, new injector sleeve o-rings, new rear main seal and back cover o-rings, new water pump also. bottom end of engine looked real good yet, has 181,000 miles, installation available, also have many other rebuilt and used duramax engines, call for more details 605 87six 362one, leave message if no answe The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax P0207 duramax 2017 PSC's SP1404 power steering pump is a popular upgrade amongst Duramax owners. Customer looking for the ultimate in performance and leak free operation pair this pump with our 600-540 Leak Free Line Set. The Duramax Tuner LB7 Transmission Tuning offers better transmission performance for your 2001-2004 GM 6.6L Duramax LB7. The 5 Speed Allison in your truck earned its reputation for quality largely because of the advanced electronic control offered by the TCM (Transmission Control Module). You can drive the truck but try not to. 2146 is bank (injectors 1 4 6 7) most likely it is going to be inj.7. pull out the connector to the inj.take out the rubber grommet inside the harness and plug it back in. If it doesnt do it again make sure you get a new grommet at the dealer.Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... 2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ...GM Duramax Engine Crankshaft Bearing Kit (2001-2010) (0) Reviews: Write first review. Item #: 97386937. Price: $16.28. Add to Cart. See Details. It has codes P0201, P0204, P0206, P0207, P2146, we have no power to the FCIM pin 3 on - Answered by a verified Chevy Mechanic. ... Ivery been doing some research to try and fix my problem with my 2001 chevy 3500 duramax lb7. It cranks but want run an I get codes p0201, p0204, p0206, p0207 and p1261. ...Jul 24, 2015 · P0201, P0204, P0206, P0207, P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction P2146 - Fuel Injector Group “A” Supply Voltage Circuit/Open Here's a link to my original post on DF... P2146 code definition. Fuel Injector Group "A" Supply Voltage Circuit/Open. What the P2146 code means. P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group "A" supply voltage circuit is open. This could be from bank 1 or the "A" supply voltage circuit that is open.Dec 23, 2009 · That’s about an 8 hour drive from home. Truck was hard to start this morning and it through some codes once it did start. Also it was -26 last night and the breaker blew on the circuit I had it plugged into. P0206 – Fuel Injector 6 Control Circuit. P2146 – Injector Positive Voltage Relay Control Circuit Group 1. P0207 duramax 2017 2001-2004 GM 6.6L LB7 Duramax. 6.6L LB7 Air Intakes & Accessories; 6.6L LB7 Axles & Components; 6.6L LB7 Cooling System Parts; 6.6L LB7 Electrical Parts; 6.6L LB7 Engine Parts; 6.6L LB7 Exhaust Parts; 6.6L LB7 Exterior Parts; 6.6L LB7 Fuel System Parts; 6.6L LB7 Gauges & Pods; 6.6L LB7 Lighting; 6.6L LB7 Performance Bundles; 6.6L LB7 ... P2146 code definition. Fuel Injector Group “A” Supply Voltage Circuit/Open. What the P2146 code means. P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group “A” supply voltage circuit is open. This could be from bank 1 or the “A” supply voltage circuit that is open. Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. HSP Diesel 12mm Factory Oil Feed Plug (LB7-LMM) RFAB. $6.18. 5/16" Worm Gear Clamp RFAB. $1.85. HSP 2003-2004 Chevrolet / GMC Max Air Flow Bundle HSP. As low as $831.58. HSP 2in Replacement Up-Pipes for 2001-2004 Chevrolet / GMC Duramax HSP. As low as $442.10. HSP 2003-2004 Chevrolet / GMC Deluxe Max Air Flow Bundle HSP. Group 1-DTC P2146 with injectors 1 and 4. Group 2-DTC P2149 with injectors 6 and 7. Group 3-DTC P2152 with injectors 2 and 5. Group 4-DTC P2155 with injectors 3 and 8. Depending on what code you got I would suggest removing the connector from the affected injectors and measuring resistance across the terminals for the injector. Apr 24, 2016 · 2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ... FICM/IDM for 2004.5-2005 GM 6.6L Duramax LLY. Part #’s 97303751 / 0 281 011 134. Please Select New OEM or Reman in Options. Reman FICM -Lifetime Warranty. New FICM- 1 Year Unlimited Mile Warranty. Diesel Injector Driver Module (IDM) or Fuel Injector Control Module (FICM) is manufactured and tested to the strictest OE standards for ... Nov 20, 2017 · DTC P2146 will set if similar high-voltage circuit problems are detected in fuel injectors #1, #4, #6 and #7. Keep in mind that a P0200 references an electrical circuit problem, while a P0300 references a minor change in crankshaft speed due to a mechanical fuel injection or cylinder compression issue. Jan 30, 2011 · The cheap fix that will last, is to remove the connector, place it against something flat, and push a SHARP ice pick into both terminals. This will raise a dimple inside the connector for a better contact. Do this for #2 and #7 injectors. (The cylinders are numbered from the front--- passenger side- 1-3-5-7 and the drivers side is 2-4-6-8) summary: 6.6l lb7 duramax diesel turbocharger noises or fuel economy complaint. service vme. sit bulletin 1401355. *tt communication number: 01499, date: 2004-01-01 category: 061000 engine and engine cooling:engine summary: 2004 6.6l duramax lb7 engines with extended crank during hot engine restart. diagnostic trouble code (dtc) p0193 may or ... 03 LB7 Limp mode. P0206 P2146. SwampDonkeyLB7; Apr 24, 2016 ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax ... The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax GM OEM Transmission Oil Cooler Inlet Pipe (2003-2005) Item #: 15170217. Price: $48.28. Add to Cart. GM OEM Transmission Oil Cooler Lower Line (2003-2005) Item #: 15170215. Price: $49.26. Add to Cart. GM OEM Transmission Oil Cooler Outlet Pipe (2003-2005)*. Apr 24, 2016 · 2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ... Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... FICM/IDM for 2004.5-2005 GM 6.6L Duramax LLY. Part #’s 97303751 / 0 281 011 134. Please Select New OEM or Reman in Options. Reman FICM -Lifetime Warranty. New FICM- 1 Year Unlimited Mile Warranty. Diesel Injector Driver Module (IDM) or Fuel Injector Control Module (FICM) is manufactured and tested to the strictest OE standards for ... Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax This set of ARP-2000 Pro Series cylinder head studs are cold-forged to ensure molecular integrity and are best suited to mild performance builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016. Shorted injectors. anyone have any clue on what would cause an injector to short to ground? this is the second one in several months. the codes that popped up: codes: P0201, P0204, P0206, P0207, P2146. the injector that shorted out (to ground) was cylinder #1. last time it was cylinder #5. it ends up shutting down the whole bank and it suck to ...Dec 17, 2021 · The bulk of most no-start conditions on an LB7 have to do with the fuel system, some with the starting system, and occasionally there will be trouble caused by other sensors like the camshaft position sensor, crankshaft position sensor, fuel injection control module, a faulty ECM, and more. Likely if there is an issue with any of those systems ... 2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ...GM OEM Transmission Oil Cooler Inlet Pipe (2003-2005) Item #: 15170217. Price: $48.28. Add to Cart. GM OEM Transmission Oil Cooler Lower Line (2003-2005) Item #: 15170215. Price: $49.26. Add to Cart. GM OEM Transmission Oil Cooler Outlet Pipe (2003-2005)*. GM Duramax Engine Crankshaft Bearing Kit (2001-2010) (0) Reviews: Write first review. Item #: 97386937. Price: $16.28. Add to Cart. See Details. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. The 6.6-liter LB7 Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles. The LB7 Duramax Engine was replacing the old 6.5-L Detroit built engine which was a big jump forward in technology. http://www.toxicdiesel.com/ This Video Will Show You How To Check Your LB7 Fuel Injectors If The Solenoids Are Bad, Keep In Mind That All Trucks Are Differen...Nov 13, 2010 · Bank Shut Down DTCs P2146 or P2149, Reduced Engine Power (Repair Fuel Injector Control Module (FICM) Harness Chafed Wires) Models: 2001-2004 Chevrolet Kodiak C4500/C5500 Series, Silverado Models 2001-2004 GMC Sierra Models, TopKick C4500/C5500 Series Equipped with Duramax(TM) Diesel Engine RPO LB7 2004-2005 Chevrolet Kodiak, Silverado Models Mar 27, 2009 · Duramax 2001-2004 (LB7) Voltage. Jump to Latest Follow 1 - 18 of 18 Posts. bad1 · Junior Member. Joined ... 1 1&4 P2146 2 2&5 P2149 3 6&7 P2152 4 3&8 P2155 You've heard about LB7 injectors and how they're prone to failure. In this episode of Diesel Insights, DT's Nick Priegnitz explains the manufacturer shortcom...Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. More of this truck to come!AMSOIL purchase link...Dec 23, 2009 · That’s about an 8 hour drive from home. Truck was hard to start this morning and it through some codes once it did start. Also it was -26 last night and the breaker blew on the circuit I had it plugged into. P0206 – Fuel Injector 6 Control Circuit. P2146 – Injector Positive Voltage Relay Control Circuit Group 1. P0207 (Injector Control Circuit7) P2146 - Injector Positive Voltage Control Circuit Group1. I SEARCHED can only I see alot of posts on the LLY needing a new 90 deg. connector, but nothing on the LB7. I have checked the connector coming out of the valve cover and it is connected. I have also check the FICM connectors and they look connected.Description: Fits: 2004.5-2012 GM/Duramax *This will fit the 2001-2004 LB7 models with modifications. New fuel lines will be required to route from the FICM to the Fuel Filter Housing. Jan 28, 2008 · It has a reoccuring problem of the engine light going on, loosing all power and knocking. This has happened to me about 5 times so far. The engine will return to running normal sometimes after stoping and restarting the engine once or somtimes restarting the engine many time over many hours. The computer shown a P2146 code. 2001-2004 GM 6.6L LB7 Duramax. 6.6L LB7 Air Intakes & Accessories; 6.6L LB7 Axles & Components; 6.6L LB7 Cooling System Parts; 6.6L LB7 Electrical Parts; 6.6L LB7 Engine Parts; 6.6L LB7 Exhaust Parts; 6.6L LB7 Exterior Parts; 6.6L LB7 Fuel System Parts; 6.6L LB7 Gauges & Pods; 6.6L LB7 Lighting; 6.6L LB7 Performance Bundles; 6.6L LB7 ... LB7: #1 injector shorted Thread starter RPierson51; Start date ... P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction ... Duramaxdiesels.com was founded in 2006 and created a site which houses some ...Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. More of this truck to come!AMSOIL purchase link...Mar 27, 2009 · Duramax 2001-2004 (LB7) Voltage. Jump to Latest Follow 1 - 18 of 18 Posts. bad1 · Junior Member. Joined ... 1 1&4 P2146 2 2&5 P2149 3 6&7 P2152 4 3&8 P2155 Jan 28, 2008 · It has a reoccuring problem of the engine light going on, loosing all power and knocking. This has happened to me about 5 times so far. The engine will return to running normal sometimes after stoping and restarting the engine once or somtimes restarting the engine many time over many hours. The computer shown a P2146 code. Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. Shitty video of a drive in my truck with one bank of injectors down due to a P0202/P2149 and the cause of it. More of this truck to come!AMSOIL purchase link...P0207 duramax 2017 The Duramax Tuner LB7 Transmission Tuning offers better transmission performance for your 2001-2004 GM 6.6L Duramax LB7. The 5 Speed Allison in your truck earned its reputation for quality largely because of the advanced electronic control offered by the TCM (Transmission Control Module). HSP Diesel Performance Products . All Categories. All HSP; Air Intakes; Apparel; Axles, Diffs & Gears; Engine Components The Duramax LB7 was the first engine released under the new 6.6L Duramax platform. The LB7 was considered a strong and stout engine for the time, producing 235hp and 500lb-ft. of torque which was upgraded to 300hp and 520lb-ft. of torque in 2004. However, the LB7 produces about half the power as the diesels of today do, such as the L5P. p2146-bank 1 (cylinders 1-3) shorted high or low. . . . . . . . . . . . . .9-1529 I would try disconnecting the Edge and running the truck to see if it runs like it did before, if this started after Edge was installed.Brand New LB7 Duramax Stock Cylinder Heads (2001-2004) $ 2,116.12. Buy in monthly payments with Affirm on orders over $50. Learn more. Part Number: PDM-LB7SHN. Categories: 2001-2004 6.6L LB7, Cylinder Heads, Cylinder Heads, Duramax, Engine, Engine, Industrial Injection Tag: Duramax Head. Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... P0207 duramax 2017 The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax This item: PPE Standard Xcelerator Duramax 2001-2010 LB7/LLY/LBZ/LMM - 111020000. $449.99. Only 5 left in stock - order soon. Ships from and sold by Thoroughbred Diesel. Get it Jul 22 - 27. Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. GM Duramax Engine Crankshaft Bearing Kit (2001-2010) (0) Reviews: Write first review. Item #: 97386937. Price: $16.28. Add to Cart. See Details. P2146 or 2149; cylinder bank shut down. Can be caused by the FICM wire harness rubbing on the back of the alternator, alternator bracket or FICM harness retaining bracket. LLY engine (2004.5-2005), #2 (P0202) and #7 (P0207) misfire codes set with codes P2146 and P2149. Jun 06, 2005 · Injector Wiring Updated Harness GM 6.6 LLY Duramax. Kit to replace the injector connectors on # 2 and # 7 cylinders. This updated harness is to possibly address P2146 or P2149 DTC codes. Fits: 2004.5, 2005. OE part 98017958. Part Number: 98017958. Weight. The 2004 Silverado 2500HD LLY Duramax threw codes P0202 and P2149 yesterday, which means that the wiring to injector #2 is shot. It will sporadically run lik...P0207 (Injector Control Circuit7) P2146 - Injector Positive Voltage Control Circuit Group1. I SEARCHED can only I see alot of posts on the LLY needing a new 90 deg. connector, but nothing on the LB7. I have checked the connector coming out of the valve cover and it is connected. I have also check the FICM connectors and they look connected.p2146-bank 1 (cylinders 1-3) shorted high or low. . . . . . . . . . . . . .9-1529 I would try disconnecting the Edge and running the truck to see if it runs like it did before, if this started after Edge was installed.P2146 or 2149; cylinder bank shut down. Can be caused by the FICM wire harness rubbing on the back of the alternator, alternator bracket or FICM harness retaining bracket. LLY engine (2004.5-2005), #2 (P0202) and #7 (P0207) misfire codes set with codes P2146 and P2149. Allison 1000 Rear Output Shaft Nut, LB7 LLY LBZ LMM, 2001-2010 Duramax New Merchant Automotive. USD 61.85 61.85 1 61.85. Allison 1000 Rear Output Shaft Nut, LB7 LLY LBZ LMM, 2001-2010 Duramax. (0) Reviews: Write first review. Condition: New. Price: $61.85. Buy in monthly payments with Affirm on orders over $50. Learn more. Jul 14, 2022 · Search: Duramax Ground Problem. 200 and 203 are also grounds but the one causing the problem was to the chassis frame The Capistrano Lattice Arbor is designed with a quiet suburban setting in mind, adding a subtle touch to any garden DTC P2146 will set if similar high-voltage circuit problems are detected in fuel injectors #1, #4, #6 and #7 We show you how to fix head gaskets, test fuel ... Jul 24, 2015 · P0201, P0204, P0206, P0207, P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction P2146 - Fuel Injector Group “A” Supply Voltage Circuit/Open Here's a link to my original post on DF... The LB7 Duramax diesel engine is a four-valve-per-cylinder, direct-injected, turbocharged, intercooler V-8 engine first released in 2001 and then upgraded in 2003 and 2004. It produces 300 horsepower and 560 lb-ft of torque. The 6.6L Duramax is the world’s fastest diesel development program to date, having started with a blank sheet of paper ... Allison 1000 Rear Output Shaft Nut, LB7 LLY LBZ LMM, 2001-2010 Duramax New Merchant Automotive. USD 61.85 61.85 1 61.85. Allison 1000 Rear Output Shaft Nut, LB7 LLY LBZ LMM, 2001-2010 Duramax. (0) Reviews: Write first review. Condition: New. Price: $61.85. Buy in monthly payments with Affirm on orders over $50. Learn more. Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... Jun 06, 2005 · Injector Wiring Updated Harness GM 6.6 LLY Duramax. Kit to replace the injector connectors on # 2 and # 7 cylinders. This updated harness is to possibly address P2146 or P2149 DTC codes. Fits: 2004.5, 2005. OE part 98017958. Part Number: 98017958. Weight. Please Like, Comment, and Share. Be sure to subscribe for future videos. Don't forget to hit the bell icon for notifications. YouTube has changed what they s...The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted. Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... GM Duramax Engine Crankshaft Bearing Kit (2001-2010) (0) Reviews: Write first review. Item #: 97386937. Price: $16.28. Add to Cart. See Details. May 26, 2022 · The Chevy/GMC Duramax 6.6-liter diesel engine has proven to be a powerful and reliable workhorse since introduced in 2001. There were several variations of the 6.6 Duramax. They are broken down by the following identifications: LB7 (2001-2004), LLY (2004-2005), LBZ (2006-2007), LMM (2007-2010), LGH (2007-2017), LML (2011-2016), and L5P (2017 ... Jul 31, 2018 · If the vehicle had only injector circuit codes for P0202 or P0207 (with bank shutdown P2146 or P2149), and the wiggle test induces a P0202 or P0207 to reset, use bulletin number 05-06-04-047B to repair the injector connectors and install the injector harness support kit. Drove truck off trailer into my shop. Trying to diagnose intermittent problem. Started engine ( no engine check light on)and brought up to operating temp, engine operating as it should. Checked codes (P0207 & P2146), cleared codes and tried moving #7 injector and FICM wiring with no problems found with engine running.2004 Silverado LT LB7. Moded air box with custom 5 inch Steel tubing, Full EGR delete with fed up pipes, IAH Delete, fed y bridge, PPE Turbo Horn, shortened drive belt, LBZ CP3 running LB7 FPR, port/polish on IHI with rebuild, Batmo Wheel, PPE boost valve, 3.5 inch down pipe, Full turbo back 5 inch exhaust, Airdog 2 165, red head power steering ...LB7: #1 injector shorted Thread starter RPierson51; Start date ... P2146 P0201 - Cylinder 1 Injector Circuit Malfunction P0204 - Cylinder 4 Injector Circuit Malfunction P0206 - Cylinder 6 Injector Circuit Malfunction P0207 - Cylinder 7 Injector Circuit Malfunction ... Duramaxdiesels.com was founded in 2006 and created a site which houses some ...Jan 28, 2008 · It has a reoccuring problem of the engine light going on, loosing all power and knocking. This has happened to me about 5 times so far. The engine will return to running normal sometimes after stoping and restarting the engine once or somtimes restarting the engine many time over many hours. The computer shown a P2146 code. The Duramax Tuner LB7 Transmission Tuning offers better transmission performance for your 2001-2004 GM 6.6L Duramax LB7. The 5 Speed Allison in your truck earned its reputation for quality largely because of the advanced electronic control offered by the TCM (Transmission Control Module). The Duramax LB7 was the first engine released under the new 6.6L Duramax platform. The LB7 was considered a strong and stout engine for the time, producing 235hp and 500lb-ft. of torque which was upgraded to 300hp and 520lb-ft. of torque in 2004. However, the LB7 produces about half the power as the diesels of today do, such as the L5P. The 2004 Silverado 2500HD LLY Duramax threw codes P0202 and P2149 yesterday, which means that the wiring to injector #2 is shot. It will sporadically run lik...Aug 03, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... The LB7 Duramax diesel engine is a four-valve-per-cylinder, direct-injected, turbocharged, intercooler V-8 engine first released in 2001 and then upgraded in 2003 and 2004. It produces 300 horsepower and 560 lb-ft of torque. The 6.6L Duramax is the world’s fastest diesel development program to date, having started with a blank sheet of paper ... May 04, 2015 · How to Know if You Have Bad Duramax Head Gaskets and What To Do About It; LML 6.6 Duramax Tech Articles; LMM 6.6 Duramax Tech Articles; LLY 6.6 Duramax Tech Articles; Duramax 6.6 LB7 Tech Articles; LBZ 6.6 Duramax Tech Articles; What Exactly Is EFI Live, HP Tuners, UDC, or Other Custom Tuning? Free Rev Show . Free Rev Show #1; Free Rev Show #2 ... P2146 or 2149; cylinder bank shut down. Can be caused by the FICM wire harness rubbing on the back of the alternator, alternator bracket or FICM harness retaining bracket. LLY engine (2004.5-2005), #2 (P0202) and #7 (P0207) misfire codes set with codes P2146 and P2149. The Duramax LB7 was the first engine released under the new 6.6L Duramax platform. The LB7 was considered a strong and stout engine for the time, producing 235hp and 500lb-ft. of torque which was upgraded to 300hp and 520lb-ft. of torque in 2004. However, the LB7 produces about half the power as the diesels of today do, such as the L5P. service vme. lb7 6.6l engine. sit bulletin 1401353. various models including 2003 and 2004 gmc c4500 and 5500 trucks. 03/01/04: NHTSA ID: 10005513 TSB ID: 001496A This message is in regard to duramax turbocharger noises or possibly a performance or fuel economy complaint. service vme. 6.6 lb7 diesel engine. p0102, p0103, p0236. 02/27/04 The P2146 is defined as Fuel Injector Group “A” Supply Voltage Circuit/Open. Your vehicle’s Powertrain Control Module controls the signals that go to the fuel injectors. These go in groups of two, if it detects that any of the two fuel injectors in that specific group is not working properly it will set the P2146 code. Mar 27, 2009 · Duramax 2001-2004 (LB7) Voltage. Jump to Latest Follow 1 - 18 of 18 Posts. bad1 · Junior Member. Joined ... 1 1&4 P2146 2 2&5 P2149 3 6&7 P2152 4 3&8 P2155 Dec 17, 2021 · The bulk of most no-start conditions on an LB7 have to do with the fuel system, some with the starting system, and occasionally there will be trouble caused by other sensors like the camshaft position sensor, crankshaft position sensor, fuel injection control module, a faulty ECM, and more. Likely if there is an issue with any of those systems ... The duramax diesel LLY injector harness kit will cure the problem of #2 and #7 cylinders not working intermittently and DTC codes P0202, P2149, P0207 and P2146. Problem is in the wiring harness on the 2004.5 & 2005 LLY in the gm silverado and sierra dmax This set of ARP-2000 Pro Series cylinder head studs are cold-forged to ensure molecular integrity and are best suited to mild performance builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016. Aug 04, 2014 · Hello, I have an '04 LB7 with Codes P2146, and the 4 injectors fail codes (#1,4,6,7). We have done electrical tests to insure power through the FICM to the injectors. We have gotten feedback from other forums on some of the wiring issues, some of those ideas were for the LLY. Wiggling the wires did not cause a difference in the running. Aug 31, 2016 · Now have EFILive FlashScan V2 and # 7 injector has a bal. rate of +0.8MM3 with a calculated fuel rate 8.3 MM3, so injector looks good but could have an intermittent open coil circuit (P0207). Getting ready to pull right valve cover to check injector wiring. if I do not find wiring problem then the #7 injector will be replaced. 2001-2004 GM 6.6L LB7 Duramax. 6.6L LB7 Air Intakes & Accessories; 6.6L LB7 Axles & Components; 6.6L LB7 Cooling System Parts; 6.6L LB7 Electrical Parts; 6.6L LB7 Engine Parts; 6.6L LB7 Exhaust Parts; 6.6L LB7 Exterior Parts; 6.6L LB7 Fuel System Parts; 6.6L LB7 Gauges & Pods; 6.6L LB7 Lighting; 6.6L LB7 Performance Bundles; 6.6L LB7 ... You've heard about LB7 injectors and how they're prone to failure. In this episode of Diesel Insights, DT's Nick Priegnitz explains the manufacturer shortcom...P2146 code definition. Fuel Injector Group “A” Supply Voltage Circuit/Open. What the P2146 code means. P2146 is an OBD-II generic code for the engine control module (ECM) detecting that the fuel injector group “A” supply voltage circuit is open. This could be from bank 1 or the “A” supply voltage circuit that is open. Shorted injectors. anyone have any clue on what would cause an injector to short to ground? this is the second one in several months. the codes that popped up: codes: P0201, P0204, P0206, P0207, P2146. the injector that shorted out (to ground) was cylinder #1. last time it was cylinder #5. it ends up shutting down the whole bank and it suck to ...Dec 23, 2009 · That’s about an 8 hour drive from home. Truck was hard to start this morning and it through some codes once it did start. Also it was -26 last night and the breaker blew on the circuit I had it plugged into. P0206 – Fuel Injector 6 Control Circuit. P2146 – Injector Positive Voltage Relay Control Circuit Group 1. This item: PPE Standard Xcelerator Duramax 2001-2010 LB7/LLY/LBZ/LMM - 111020000. $449.99. Only 5 left in stock - order soon. Ships from and sold by Thoroughbred Diesel. Get it Jul 22 - 27. This item: PPE Standard Xcelerator Duramax 2001-2010 LB7/LLY/LBZ/LMM - 111020000. $449.99. Only 5 left in stock - order soon. Ships from and sold by Thoroughbred Diesel. Get it Jul 22 - 27. The ECM illuminates the MIL (Malfunction Indicator Lamp) with P2146 and/or related codes ( P2147, P2148) when it monitors a fault within the supply voltage to the fuel injectors and/or their circuits. The fact that the fuel injectors' harnesses are routed in close proximity to extreme temperatures should be noted.Mar 27, 2009 · Duramax 2001-2004 (LB7) Voltage. Jump to Latest Follow 1 - 18 of 18 Posts. bad1 · Junior Member. Joined ... 1 1&4 P2146 2 2&5 P2149 3 6&7 P2152 4 3&8 P2155 xa