Jump to Latest 3K Original code was for injector 2. We cleaned the above mentioned grounds and all codes went away. I replaced the Indirect injector (“9th injector”) part #12641278. Since I drive easy most of the time the code has not returned. Injector return flow; maximum allowable leakage for one injector is 5 ml in 15 seconds, maximum per bank is 20 ml: check when cranking, with the FICM disabled, pressure should be 114 – 135 MPa during cranking. But there shouldn't be that large of a difference between balance rates on new injectors unless you have other issues such as low compression. Call: (604) 882-3835 | Email: info@nwfuel. Feb 9, 2022 · The P0205 code stands for “Cylinder 5 Injector Circuit Malfunction”. Injectors 1,3, and 5 are behind the egr and riser pipe. I also own fords and a Honda so being able to pull a code was important to me. Dec 2, 2006 · Duramax DTC code list. 2004. seemed that the misfire went away. Followed some steps in here about checking the temp on the different sensors and determined that in a regen it wasn’t getting hot enough. check good. Applications: 2001-Early 2004 Chevy Silverado and GMC Sierra, 2001-2005 Chevy Kodiak and GMC TopKick. 6L add-on module you download/install with the program that allows reading several Duramax-specific parameters, including real-time balance rates and Allison info. Chevy said if the particulates got past the filter into the injectors or engine the codes would have been P0171 (fuel lean), P0172 Dec 20, 2020 · I’m having issues with my 07 classic lbz duramax. is the seventh and injector on the or passenger side. Kurtz Sep 15, 2020 Oct 14, 2020 · P02DB 2020 Duramax #8 Injector. Jul 14, 2021 · 2007 2500 CCSB /16 X 8 Mickey Thompson Classic / 285x75x16 Cooper ATP / PCV Reroute / Deviant trans cooler hoses / Merchant Automotive pump rub / EDGE CTS2 / GM performance exhaust / Bilstein 5100 shocks / blue top steering gear / power steering oil cooler / Duramax jack spade / Kennedy diesel twin pumps. Replaces part Sep 4, 2020 · 2011 LML Showing code for Injector Group B circuit failure, Injectors 2, 5, 6 and 7 are not functioning. Everything went great with the install. Injector Bodies: 0986-435-520, 0986-435-521, & 0986-435-504… These codes or messages are often a sign that the DEF injector is not functioning properly. ⇒ Torque the fuel injection fuel feed pipes fittings in alternating increments to 30Y (22 ft lbs). Note: Must return old fuel lines to receive full core credit. I have a CTS Edge Insight, so was able to pull the code. One has 7248 miles one it. Pinged OnStar and they pulled the code PO677 which I believe is an indication of a bad #7 Glow Plug or a bad connection. 04. When I asked about this issue he stated the injector was a crappy design, and they see this often. Cleared my codes and started Read Also: How to Fix The P0381 Code On Duramax? How To Fix The P249D Code On Duramax? To fix the code on Duramax, you need to be mentally and physically prepared for things to go smoothly. Feb 27, 2019 · The injector is then held open with this high voltage. Walter E. and the year of the truck. This was at a mileage of 2317 miles. This also causes the . all of which did not cure my low fuel rail presure problem. Introduced in the 2017 model year, it was the most powerful diesel engine GM had produced, with 445 hp (332 kW) at 2,800 rpm and 910 lb⋅ft (1,234 N⋅m) at 1,600 rpm. Now let’s see the steps! Step 1: Pinpoint The Root Of The Problem Jul 28, 2013 · Reason being, a thread came up over at DP concerning an injector replacement on an LBZ and the associated code 0087, and another member referenced "reprogramming the ECM for the new injectors". This code is set when the PCM detects that the injector’s voltage in Cylinder 5 doesn’t match its current state. 6L L5P All GMC Sierra 2017 - 2018 All All 6. L5P 2017-2023 Chevrolet/GMC 2500/3500 6. Pulled codes P0202 (injector circuit, open cylinder #2) P2149 (fuel injection group B supply, injection circuit open) after messing with some wires truck started, and ran ok so I cleared the codes. Took it in to get it repaired. Jan 17, 2022 · Just bought my 2018 L5P with an active CEL P20CB code - aftertreatment fuel injector control circuit open. Nov 25, 2015 · To learn more about balance rates, and the types of injectors we offer, please feel free to email us or call us directly at the shop (1-800-500-0980), and we’d be happy to discuss in more detail or help you identify what injectors you need to get your truck back on the road again. Replaced cyl 5 injector and kept on driving. Touch another wire to ground and then to the command circuits Pin 1 for injector #4; Pin 4 for injector #1 : Pin 59 and 60 for injector #6 ; and pin 61 and 62 for injector #7. P02CF - Cylinder 2 Fuel Injector Offset Learning at Max Limit I googled it, seems like it is related to fuel/air ratio. Aug 10, 2012 · Chevy / GMC Duramax 04. This time, connector issue with a caution from the dealer if it reoccurs they will replace the ECM. The injectors are separated into the following four groups: Group 1– injectors 1 and 4 Apr 27, 2017 · 7. it goes to a 7 or 8. It takes about 2500 PSI rail pressure for the injectors to deliver fuel and the engine to start. Oct 24, 2018 · Injector codes. Mar 17, 2022 · VIN Code “1” LLY. And right now I'm dealing with 2 trucks with 2 bad injectors, both are 2018. Not exactly well thought out from a GUI perspective. Oct 3, 2018 · The ECM energizes each fuel injector by grounding the control circuit of that fuel injector. Mar 18, 2023 · Just got my L5P, 2018 2500HD 130k miles. So I'm going to select that. This was last Sunday. Hence, you cannot go on being carefree when trying to resolve the issue. One of the basics I taught regarding mechanical diesel fuel injection was the T. Im assuming this has to do with the firing pattern and would like to know what connector is and location of it. Aug 31, 2013 · 07 GMC Sierra Classic (LBZ) Duramax Dually Crewcab 4X4, FASS Titanium 95, Ohio Diesel Parts Tank Sump, bypass engine oil filter, synthetic lubes; 84 Chevy 6. (You can't beat the power of a Duramax, especially coming from a 14' Silverado 1500 with the 5. it idles at 4300 to 4500 psi warmed up. Buy Bosch Injectors For 6. Like. Feb 16, 2016 · Industrial injection torque lock injector cups, Stage 5 sun coast trans. I have a code that is injector circuit/open on cylinders 1-8. Current mileage is 108,000 anyone having same problem similar issues? Note: Must return old fuel lines to receive full core credit. The location all depends on the manufacturer and the model. That doesn’t mean the LB7 Duramax you own has this problem corrected though. There is a reductant injector in the engine system that reduces gas expelling through LLY 2004. The injectors should have a flow rate code on them from the factory and if modified should come with a new code. 5-2005 (LLY) 6. 6 Diesel Vin Code “2″ LLY Bosch ® OEM Brand New BOSCH ® Part # 0445120027 Full Set (8) $2,799. Sep 10, 2018 · P0253 Code; P0253 is widely known as the diagnostic trouble code for “Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector. A cross section of a typical gasoline engine fuel injector: What is the severity of this DTC? Nov 5, 2020 · 1. First time this happened the truck had 102,000 miles on it. Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model. That code could be put in with a tech 2. Wiring then was tested good also so the injector ended up Jul 22, 2021 · Several injector timing-related DTCs may be set along with an illuminated Check Engine light on some 2017-2018 Silverado and Sierra models equipped with the 6. Jan 2, 2018 · checked all grounds. 6 The L5P Duramax is the latest version of the Duramax V8 diesel engine. To verify programmed injector flow rates: 1. Tags Sep 3, 2020 · 2017 L5P Duramax Code P026D. The DEF reacts with NOx in the catalyst turning it into nitrogen, H2O, and CO2. 2006 Silverado ECSB LBZ Suncoast Stage 3 w/ ML Converter Allison Deep pan, EFI Live DSP5, Castflow Manifolds, Profab up pipes with Blocker plate, Profab VVT Downpipe, Profab egr delete, MBRP 4” exhaust, Air Dog 100 with shimmed FPRV, S&B intake, Isspro Gauges, Sleeves, All Seasons Jun 9, 2017 · I have a 2013 LML, I replaced the long block about 200 miles ago. Here are some common LLY Duramax injector issues: 1. 147k / New Bosch injectors / Longhorn traction bar / S and B fuel tank. 13. It is doing it all the time now when I get on it hard. Just like you have-- The Power control module will sense the problem and include all injectors in group A, or group B, what ever the bad injector is on. This will supply voltage to injectors #4; #6 ; #1; #7. Fuel Injector Failure. On restart, I got the "cleaning exhaust filter keep driving” message. 6-liter 32-valve common rail injected diesel V8. The injectors are separated into the following four groups: •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 Feb 22, 2021 · Range of functions – It reads codes and live data on all systems, not just the powertrain. Flo Pro 4" full delete exhaust, EGR blocked, S&B Intake, PPEI tuned. 2009 Chevy Silverado 2500HD LTZ 6. 6 diesel. What Trim Codes Help Increase Diesel Engine Performance and Power? Apr 7, 2020 · I’ve had this code in the past, cleared it and a month later it was back. This means the misfire code P0300 represents the same failure on a GM/GMC Duramax, Ford Powerstroke, or Dodge Cummins. : 21-NA-149 November, 2021 Page 5 5324748 Inspect the engine harness at the Lower Air Cleaner Housing as shown below. Resets service intervals, codes injectors and keys, perform relearn procedures for transmission, throttle, etc. Balance rates are crazy good. 6 Diesel Vin Code "2" LLY BOSCH ® /GM OEM Remanufactured Fuel Injectors GM Part #s 97303657, 97780144 BOSCH ® Part # 0 986 435 504 BOSCH ® OEM LLY injectors. Read the GM Duramax injector installation info guide created by NW Fuel. They are Jan 25, 2022 · Some Bosch common rail injectors have the trim code marked on the top of the plastic housing, or on the coil of the injector. Replacement of replaced hydrocarbon injector. May 19, 2021 · I'm in the engine special functions menu, and I can see injector flow rate programming. This injector is also known as the “9th injector”. NW Fuel carries fuel injectors specifically for your GM Duramax vehicle. P0201 Injector Circuit Open Cylinder #1 Feb 27, 2022 · So at this point we are seeing a p0205 code again with reduced power. Lly CP3, fleece cheetah turbo,mbrp down pipe, ppe boost valve, EFI live w/ dsp5, airdog 2 lift pump, s&b intake , cognito leveling kit, cognito brace kit, PPE sleaves, PPE Gauges Aug 22, 2022 · Fuel trim reset is in diagnostic section under ECU options. It was failing the circuit test at startup. Dec 1, 2022 · About us. 5-05 LLY Forum. The control functions for the fuel injection system are integrated in the engine control module (ECM). It threw a code about 800 miles ago and a dealer replaced the injector in #6. Feb 8, 2017 · 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. Truck ran very rough on the way home and I limped it to the mechanic yesterday. A. VIN Code “2” needing a copy of the bulletin as well. Jan 7, 2019 · I was also getting code P249D and was able to fix it by replacing the def injector. 5-05 LLY Duramax Powertrain LLY Injector code. Jan 28, 2019 · Some trucks with injector codes for retarded or advanced DTC Codes have these issues, I have dealt with a few trucks with injector codes that ran fine with no knocking and some that knocked at low rpm with no DTC Injector Codes. Select make of Vehicle 3. I'm at a loss I don't see it being an injector and there's no mechanical issue. The injector connector for the #4 injector is known to go bad and send the L5P into limp mode with a P0204 engine code. Now I have codes: P0207, P0300, P11FF, P2A00, and still P157A. Reset the code and CEL is off. LB7 Duramax Injectors. Each Injector includes O-rings and Feb 1, 2015 · Ive def got a great dealer, saturday is when i got the code, showed up at 8am monday found out what was wrong, ordered injector, put it in today and truck is running great now 2015 Chevy 3500HD LTZ CCLB 4x4 Mar 13, 2024 · The LLY Duramax engine, introduced in 2004, is known for its performance and reliability. Jun 16, 2010 · truck runs sometimes like it should but then engine light comes on, and truck barely moves, gets code P0208 injector 8-circuit malfunction. The injectors in the DEF system are designed to inject a metered volume of DEF fluid into the catalyst. 5 LB7 Forums. Aug 13, 2020 · L5P Duramax 26 digit Injector Quantity Adjustment Code for flow rate programming. ca May 10, 2022 · Today we’re focusing on the Achilles heel of the LML Duramax, the CP4 injection pump. I soldered 2-way connectors into the harness for #2 and #7 and made several pigtails with injector connectors. Replacement of fuel injectors without a complete cleaning of the fuel system will only be a temporary fix until the debris gets into the new injectors. If I have (another) problem on the road, I can simply unplug the injector connector and replace it with a new one in a matter of minutes. Also code CNG pressure sensor voltage too low. This problem often involves the diesel exhaust fluid (DEF) injection or the reductant system in your engine. Now it threw another code and I am taking it in to replace the injector in #8. OBD-II Check Engine Light Trouble Codes for the GM/GMC Duramax below: Feb 24, 2011 · And best part it is works as a scanner for ANY OBDII vehicle without buying the enhanced package. 2L 4X4; Retired Journeyman Heavy Duty Truck Mechanic 1 day ago · Duramax P249D Code: Quick Fix Guide. My Edge also allows me to look at the Injector Apr 12, 2022 · The LB7 Duramax (2001-2004 model years) set the bar very high for Ram and Ford to reach. Automatic ID 5. 6 Diesel VIN Code "Y" Denso OEM Brand New Injectors GM Part # 12698552, 12678992, 12696966 Denso Part # DXD 51708, DXD 52206 Full Set (8) $1499. May 29, 2013 · Could one injector going open circuit cause the other 3 to throw that code also or should i check into things further? 01 lb7 8" lift, ECLB, 37" tires, Warn bumper, 5" exhaust into a single stack, Cold air intake, ported Fuel rail, boost valve, EFI Live DSP2 (MPG and HOLY S***), 1 very angry transmission, insight CTS, Fabtech tierods, cognito Jun 2, 2021 · 3. wtf: They also found codes P246F and P242B and replaced #3 & 4 EGT sensors Apr 2, 2021 · Dealer replaced number 4 injector and cleared codes. Bulletin No. But if you want the full spectrum of stuff, like being able to turn off an injector, etc, you need the expansion pack. Mar 30, 2007 · Duramax Second Generation: 2004. i have a 2016 silverado Duramax 2500 , with injector pump out. Now I'm throwing codes p1224 throttle position sensor, and injector short circuit, p1233, p1239. Follow instructions to turn key off and disconnect scan tool for 2 minutes. Tags: Duramax L5P injector connectorDuramax injector connector pin te Jul 19, 2010 · My truck keeps throwing this code (P2146) whenever I get on it. 1. Tags p0193 Replaced injectors-p0193 code. Scanner 2. Feb 16, 2022 · And the fuel injector return pipe seals should be replaced as well. then I found Henry's doc. These are the most up to date version of the LLY injector. 99 These injectors are BRAND NEW from BOSCH ®. but not sure what exactly it is. Note: Leave the “F7” and add the trim code after it, when entering the code into the ECM. LB7: Jump to Latest Hey i seen this post and i just bought my 01 duramax 179000 miles banks six gun with iq and speed loader banks intake and Jul 11, 2014 · 2011 lml duramax got to start working on the truck again the truck used to start with a wiff of ether and run smooth now after replacing 2 injectors i get 2146 2155 and i think it was 2152, also a p0606 which is ecm internal fault. is it in the front of the back of a motor . May 16, 2021 · Was there not a tag with the injector. There is a special Duramax 6. Okay 11. I began getting a CEL and the "cylinder 1 injector learning limit max" code P02CD only on start up. 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 Stock replacement LML Injectors from XDP help you maintain factory fuel system function in your 2011-2016 Chevy/GMC 6. Jul 26, 2019 · The injectors are a notorious problem on the LLY, especially #2 and #7. 4/27/2022 - Check engine light, code P11CB, replaced hydrocarbon injector (under warranty for 2nd instance of faulty injector from this repair shop, 3rd time replacing Jan 19, 2012 · Important: When installing a new fuel injector, ensure that the IQA data number from the yellow IQA Data Tag, shipped with the new injector, is programmed to the correct cylinder ⇒ If any injectors are replaced, go to Reprogram Injector Flow Rates parameter and enter the flow rate number of the new injector to the corresponding cylinder. 632 ohms) now Iam pulling the valve cover to probe the injector coil itself to rule out the valve cover harness to the injector. LBZ/LMM+ require you to update the injector trim codes a Jan 15, 2020 · Hi guys my duramax is misfiring sometimes. May 31, 2013 · FICM uses 2 separate circuits (banks) to fire the injectors. a new wix fuel filter. Feb 16, 2012 · Can anyone help me. Install the left side fuel injection fuel feed pipe bracket fasteners (1). I say "intermittently" as on occasion I get readings of all 8 injector output circuit problems. 99 Half Set (4) $779. Mar 15, 2021 · In progress: 1972 Chevy C10 body swapped onto 2004 LB7 128k mile chassis. 6 Duramax with Allison Transmission. To ensure solid and reliable performance, remanufactured LML fuel injectors go through an extensive remanufacturing process that includes rigorous testing and the replacement of wear parts and seals. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. 98% of the time it’s the connector to the injector. Each of these codes impacts the overall functioning of your SCR Feb 24, 2005 · The program I use is called OBD-2 and a very sophisticated and capable program. There is a reductant injector in the engine system that reduces gas expelling through Mar 24, 2021 · So I had to swap ecms chasing a fuel temp code. Besides the P20EE code, your Duramax engine might show other related DTCs, such as P249D, which indicates issues with the exhaust gas temperature sensor. Nov 24, 2019 · 2019 GMC 2500HD SLE 6. Chevy / GMC Duramax 2017+ L5P Forums. ( #6 and #7 have to command circuits) Jun 12, 2021 · That approach is a band-aid at best. Completely stock except straight pipe. Now it’s back again. Once codes reset took for test drive and code came back on injector 8. I am curious how long I have before the injectors fail. 6L Duramax injector? Replacing your 6. As it must be causing the problem. And I’d question the injector of course. These are the exact same GENUINE BOSCH ® injectors you would get from a GM dealer, at a fraction of the price. I was driving yesterday and check engine light came on. It will be on 4 cylinders -- runs-- although not very well, and noisy. While not the most common problem, the #4 fuel injector specifically is known to be problematic. May 16, 2024 · Reduced power mode flashed up and screen displayed a message to service the emission system. 5394683 Example of engine harness damage, Lower Air Cleaner Housing removed shown below. Sep 29, 2023 · Does replacing a factory OEM reductant injector (GM PN 12647372) on a 2011 GMC DRW that generates codes P1047, P1048 and P2047 require dealer or factory reprogramming? I am not all that fond of paying dealers MSRP plus on parts where there is already a more than significantly healthy margin of profit in selling OEM parts to begin with Nov 20, 2017 · Not that I’m a diesel specialist, but I did teach diesel maintenance during my final year as an auto mechanics instructor during the 1970s. Oct 12, 2021 · I own a 2020 GMC Sierra Denali 3500HD Dually Duramax with now 35,000 km (21,700 miles) and it will be my fourth trip to the dealership for Injectors DTC codes. Also code fuel injector group A & B supply voltage circuit open. I've cleaned the connections on the injectors and the ECM. 2017 Duramax with 100,123 miles. Mar 14, 2015 · The ECM monitors the status of the injector positive voltage control circuits and the fuel injector control circuits. 5-2005 Chevrolet/GMC 2500/3500/4500/5500 6. I picked up my truck last night, drove like a dream. Replaced the 9th injector did a manual regen and code stayed away for a couple weeks. Replaces part Feb 19, 2020 · Hey guys, In this video I’ll be showing you how to replace an injector on an LML (2011-2016) Duramax engine, specifically injector #3. I have 250k miles but we do occasionally pull a 41ft toy hauler. If it is a LLY engine, a quick "Ice Pick trick" can fix the problem. 2L 1. Ran the truck 12 hrs in a snow storm plowing, ran all week, problem came back Thursday. Diagnosis and repair and show before and after flow indirect injector 9th fuel Mar 20, 2020 · Use this guide when programming your injector trim rates for a mechanical balanced set of injectors. Oct 13, 2023 · P026D Duramax code is much concerning for a vehicle with a Duramax engine. 6 Duramax with Allison 2014 Dodge Dually 3500 SLT 6. I thought it was BS, and said so. Now they're saying P0201, 04, 06, 07, and 2146. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All Mar 24, 2021 · So I had to swap ecms chasing a fuel temp code. Nov 24, 2019 · The code is P01D1 which is for Cylinder #4 Injection Timing Performance -- Over Retarded. May 28, 2021 · Recently got a code that indicates worn injectors. This service update involves trucks equipped with the optional Duramax turbodiesel damaged fuel injector line or fuel injector fitting, will cause a fuel leak. unplugged #1 and plugged in a different injector. codes are supply circuit short or open on group 1 2 and 4 Oct 5, 2017 · My 2014 had the check engine light on last week, dealer found code P0420 and replaced the failed Indirect Fuel Injector under my extended warranty. About 12k miles on it. Knowing what triggers this code and how to fix it can save you from bigger Sep 17, 2018 · And I've seen one truck with 52 miles on it with 2 bad injectors, multiple issues with regen not working from sucked in air filter to a plugged def injector. Program 12. . Jun 29, 2023 · 10/12/2021 - Check engine light, code P11CB, shop did a regenerate of the exhaust system and check of hydrocarbon fuel injector. (engine code Y). , steering angle sensors, codes new batteries, performs DPF regeneration, and a ton of other good stuff. Has 250k miles. now the only cylinder that shows out of range on balance rates is #7. cleaned and put back on. . wires are good. Injector Failure: LLY Duramax injectors can fail due to wear and tear over time. a race plug. Select year 4. 99 Half Set (4) $1,449. The ECM monitors the status of the injector positive voltage control circuits and the fuel injector control circuits. How do I identify a GMC 6. Mar 8, 2022 · So #5 injector went out on my L5P, and was wondering what it would cost to change out? Codes p0305, p0205 What year is your Duramax? Save Share. VIN Digit: 1. Jun 29, 2021 · I have a 2020 Silverado 3500 Duramax. Bank 1 => 1,4,6,7 Bank 2 => 2,3,5,8 Clearly you have an issue on bank 2 somewhere (time to go over all the FICM wiring at alternator bracket and at injectors). Confirm vehicle information 6 fuel system can cause fuel injection issues that may set DTCs P2A00, P026D, P0300, P0172. I’m about 250 miles from where I can stop for a few days. Mar 7, 2016 · 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 other codes from the first reading were no longer there. Reprogram Injector Flow Rates 8. 6 Duramax . Jan 10, 2021 · I will be running a Zesus on it tomorrow and report back with codes. M. Showing injector circuit open cylinder 1 , 4, 6, 7 as well as fuel injector group A supply voltage circuit open. But, if you ask ANY LB7 owner, the one issue that has typically already cost them thousands of dollars, is injector failure. The P02D1 Cylinder 3 Fuel Injector Offset Learning At Max Limit code is set when the ECM monitors the cylinder #3 fuel injector adapting to it's maximum limit. I’ve only had one legitimate injector failure. If QR code doesn’t work not sure what to say. anyone experience this? any ideas are appreciated thanks! Feb 9, 2018 · The story continues. the misfire code didn't come back but it still acts up and misses. 99 Singles $369. I took that as a good sign, since the system was working. 14. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. A malfunctioning fuel injector in Cylinder 5, an open or shorted wiring to the injector, and a bad PCM are three common triggers for the code. 6 duramax turbo diesel with a catalyst code p0420. If you’ve seen the P249D code on your Duramax, you’re likely dealing with issues in your truck’s emissions system. All was good until yesterday; mileage now 6500 miles. The problem seems to be coming on only when I'm pulling my 18,000lb fifth wheel. ” This trouble code can be caused due to multiple reasons. 6 L5P Condition: 1 day ago · Understanding Related DTCs and SCR Codes. GM introduced the Duramax engine in their 2001 model year trucks, and since then, it’s been a 6. 6 L5P Duramax Engine Misfire Diagnosis Models Brand: Model: Model Years: VIN: Engine: Transmissions: from to Chevrolet Silverado 2017 - 2018 All All 6. LLY 2004. my truck only goes into limp Jun 4, 2021 · The problem: affected trucks may throw a falsely set fuel injector diagnostic trouble code of P026C and/or P20EE. 99 Singles $199. The hold down bolts for the injectors are to be torqued to 25 24 ft/lbs according to All Data; The nuts on the fuel lines are 22ft/lbs according to All Data. 99 These injectors are brand new from DENSO, They are the highest quality, most reliable injectors available for the 2017-2023 L5P engine. May 4, 2022 · 2015 chevy silverado 2500 6. Nov 20, 2011 · It is best to list the codes. Shakes my truck so I pull over and reset the code. I purchased part #12688993 from Rock Auto, $95 half the price of the dealership, installed using the link below for a reference, and it is now fixed. Hooked it up to the scanner and got codes P0305 (cylinder 5 misfire), P1241 (Injector #7 output), P1129 and P1135. Used local Chevy house for all parts needed. ) Dash shows “71 miles until 65mph limit” Emission , check owners manual. 5-2005. The injectors are separated into the following four groups: Group 1-DTC P2146 with injectors 1 and 4 Oct 4, 2017 · Working on a 2003 LB7 Duramax that runs extremely "intermittently" rough, misfiring and farting up a storm. Just had a fuel injector and wiring harness replaced on Tuesday. Known for fuel injectors leaking into the oil supply; see TSB #04039B. 01-04. I can't seem to find any info on causes of these codes. When in doubt, check the user manual to help you find the trim codes on your specific injectors. Every injector i ever did had a tag or paper with the number on it. Can the rig still pull or is it not advisable. Feb 9, 2018 · The truck first threw a CEL code P01DA in May, 2017, and the dealership found injectors 6, 7, & 8 "injector rates out of spec". is there a way to tell if it is the injector or just a wiring harness 2005 Gmc 2500 lly 6. Each Injector includes O-rings and OBD-II Check Engine Light Trouble Codes for the Duramax below: P0252 Injection Pump Fuel Metering Control "A" Range/Performance (Cam/Rotor/Injector) Mar 14, 2014 · About us. Apr 1, 2014 · I was stuck along the road yesterday after my truck went into limp mode & check engine light come on. Tags: Duramax L5P injector connectorDuramax injector connector pin te L5P 2017-2023 Chevrolet/GMC 2500/3500 6. Install the left side fuel injection fuel feed pipes (2). Inspect the fuel/water separator reservoir and filter for heavy debris. 100 miles later same occurrence, limp mode and a multitude of warning lights. Misc Chevy Duramax Issues; LB7. 6L L5P All Involved Region or Country: North America Additional RPO/s: 6. Each injector's flow rate information and cylinder position are stored in the memory of both the glow plug control module (GPCM) and the ECM. principle (Timing, Atomization, Metering and Pressure). so i changed that injector with a different one. The ECM monitors the status of the voltage supply and voltage control circuits. put it all back together. The motor, sometimes referred to as Baby Duramax, was slated to be offered in GM’s light duty pickup trucks – the Chevrolet Silverado 1500 and GMC Sierra 1500 – for the 2010 model year. They are the highest quality, most reliable injectors available for the LLY Motor. Enter code from on top of the injector 10. If you have any questi All of these codes refer back to the Hydrocarbon Injector. the inlet and return fuel lines at the motor. Arp rod bolts, main studs, and head studs. Check engine light came on, got the subject code. I disabled each injector individually and determined 1, 3, 4 & 8 are in working order. Oct 11, 2011 · On the LLY engine-- when a injector looses contact, it will go into "Limp" and and set codes. 3L) Today, I was heading home from work and got another CEL. 6 L5P Condition: duramax diesel injector identification guide: lly, lbz, lmm engines If you’ve ever been under the hood of a Duramax powered truck or van, you’ll know that the injectors from 2004 – 2010 look similar on the outside, but are different on the inside – built and calibrated for each specific model. LB7 - P0193; LB7 PIP5537 6. The introduction of common rail injection powered by the Bosch CP3 injection pump made the LB7 Duramax stand apart from other diesels of the day with excellent power and efficiency. Mar 24, 2021 · So I had to swap ecms chasing a fuel temp code. Issue I’m having is I will randomly get a code pop up “p2146” injector group A open. Dpf being plugged so bad that it blew out the gasket in front of the dpf. Fuel injector coding is under special functions->fuel injectors. 6 Diesel Vin Code "2" LLY Injector Replacement Kit - New BOSCH ®: 0 445 120 027 These injectors are BRAND NEW from BOSCH ®. I also switched injector 7 with 5. 5 LB7 Duramax Powertrain HELP! Replaced injectors-p0193 code. I wrote down and confirmed in ecm and gpm the injector calibration #s in programming. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. 3. The engine becomes very shaky and various additional engine lights will appear such as Stabilitrak and ABS. Call Now | Sign In 1 (800) VIN Code “2” Oct 18, 2012 · 2005 CCSB Silverado 2500 HD LLY Performance: LBZ Mac performance intake, LBZ mouthpiece, MBRP duals, shim kit, ported fuel rail fittings, headstuds, FASS150, FASS fuel filter delete bowl, LBZ FPR, EFI live by Idaho Rob Oct 23, 2022 · My 2020 Silverado 3500 Duramax diesel pickup has 27,000 miles. Another common code, P2BAD, signals malfunction in the NOx (Nitrogen Oxides) sensors. I understand injectors 2 & 7 are in the same group, are 5 & 6 in their own group as Dec 20, 2015 · i have an 05 lly i have replaced the fuel lines on the filter head. i have a new fuel filter head rebuild kit on order. Maybe someone els will chime in. Apr 21, 2016 · Drove back up to autozone and read the codes for a 2nd time. Now I am getting po2cd cyl 1 injector exceeded learning limit. Troubleshooting P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208 on a Duramax L5P. The most notorious LB7 Duramax problem is their original injectors. Sep 14, 2011 · Chevy / GMC Duramax 01-04. However, like any engine, it can experience certain common injector problems over time. At the end of the injection event the ECM closes the injector by discharging the injector piezo stack. The diagnostic codes that are required by law on all OBD II systems are standardized and all vehicle manufacturers use the same common code list. It comes on ramdomly, some times 100 miles sometimes I’ll go 1000 miles, May 11, 2012 · About us. Oct 8, 2020 · Chevy / GMC Duramax 11-16 LML Forums. Duramaxdiesels. my cp3 is only making 17000 psi at full throttle. Traveling from NM to GA pulling a 34’ travel trailer, checked mass air flow sensor (it was clean). anyone experience this? any ideas are appreciated thanks! Jun 8, 2018 · Duramax Diesel engine RPO codes include: LB7. Hence, in order to diagnose the specific cause for this code, there may be a need for you to hire professional help. Last time it gave us the injector codes (I forget the numbers) and an egr code. P0200** Injector Circuit Malfunction P0201** Injector Circuit Malfunction - Cylinder 1 P0202** Injector Circuit Malfunction - Cylinder 2 Customer: 2005 GMC 2500hd 6. Aug 14, 2020 · The first Duramax V8 was introduced in 2001 and was given the code name LB7. Buzz test passed. new presure regulator. moved the wire by the injector and sometimes it fixes it. Apr 17, 2016 · 05' Chevy LT Black on Black LLY CC/SB Blackout Performance built motor/trans/tuned- Gone "The Blessed Hellride"-Summit white 08' GMC Sierra SLT Z71 CC/SB-Big Dipper trans, built front end, some softy tunes, 35's, garage queen Feb 13, 2011 · injector codes. That problem is sometimes caused by a loose connector at the injector. Mechanic states that there was a short on the #7 injector, it melted the harness and the injector is shot. I only get the code if I am pushing the truck hard. Jump to Latest my 2004 Duramax Gen2, LLY throwing multiple codes p2149 p1296 p0090 p0102 p0700 p1249 p0202 Truck has ove 300,000 miles Feb 9, 2018 · On connector C1 : connector your headlamp bulb in series to terminal #3. 5-2005 (LLY) Injector Circuit Open Code Drive 15 miles check/clear codes. 25 Ton (Army CUCV) with Banks Sidewinder Turbo and Gear Vendor's Overdrive; 83 Chevy Suburban 6. Select your injector 9. If the wiring for any of the 4 injectors is compromised, all those cylinders will shut down. 6L Duramax injectors? Having trouble identifying which injectors you have? Please see the images and information below for guidance on ordering the correct injectors for your engine. Now I can display the ECM and the glow plug control module injector flow PIP5537 6. Details: First version of the Duramax diesel. Was the code P0207-? Here is some info I wrote and saved. Find out how to diagnose and even replace your injectors once for all. has Jan 23, 2018 · 6. Apr 28, 2015 · Well, I just installed new injectors in my LB7 Duramax. None of the numbers in the pic make sense for flow rate because it needs letters. Is the base file correct for the truck 100%. Oct 31, 2017 · I appreciate the info, that is the “wire chafing” that everyone has been talking about, after a visual inspection of the wiring, I went to the injectors wiring (valve cover plug) and ohm the injectors and found the problem (#2 injector . It can read/clear codes, etc. It’s throwing a P0205 Code ( 5th cylinder, passenger side open circuit on injector. P. 6L Duramax diesel engine (RPO L5P). I replaced the accelerator pedal assembly, and same codes. Duramax Fuel Injectors & Accessories for Chevy and GMC Diesel Engines 2001-Current. Oct 19, 2016 · Ed 2011 GMC Sierra 2500HD Denali Crew Cab. 7 Cummins Jun 24, 2020 · I spoke with a couple guys there who have been there for 30+ years and apparently the 2017 and early 2018's had shitty injectors----they are now on the 3rd and final revision of the the original injectors---so the issue is supposed to be resolved (must have computer updated after injectors are replace). Sep 14, 2020 · LLY Injector Knock, Codes P1223, P1226, P1235, P1241 Jump to Latest 8K views 9 replies 3 participants last post by Col. 6 LML Duramax. syxs jyps lgd zyx aqsxg xwqh zvvego yai ahv axuo