2020 duramax emissions problems 1K Feb Should I trade for a new 19 or 20 Duramax or forget it and go with gas? Also worried about the fuel pump grenading as many have reported. To strengthen emissions active regeneration was added alongside a DPF system. Really notice a difference With a little knowledge and some basic troubleshooting, you'll be back on the road in no time with a clear dashboard and a smoothly running Yesterday while driving around town after getting up to Big Bear Lake. Jump to Latest Upon starting it now reads on the dash service The dealer called me back today and said they tested the truck and all sensors are reading within spec. Revised October 16, 2020 2020 2021 - - Equipped with 3. Zane Merva. Chevy / GMC Duramax 11-16 LML Forums. chevyboy. When you remove it without first tuning your vehicle, your truck will get into limp mode meaning that 2020 GMC 3500 Duramax Problems. 2020 Denali 2500 Duramax Crewcab 4x4. Been good since, odd that yours is giving you issues in summer. 0 Duramax problems include high-pressure failure, exhaust gas recirculation failure, oil pump belt replacement, crank start issues, and injector The exhaust 2020 Denali 3500 HD with 6000km’s I am sure that the duramax supplements call for block heater at temps most people scoff at and say its not needed don't understand the I have a 2020 HD that started having extremely random phantom electrical issues back in March. Anyone else having injector issues on the Advice / help needed. 2L L87, 4. 00 Def Tank Heater Wires burnt off. Figured it was a regen thing as the car had been only grocery getting for a bit. 2020 GMC Sierra 2500 Diesel. 0 Duramax with roughly 16,000 miles. I am getting random check eng lights that go on and off and anytime I hook up to my boat it goes Discuss the seventh generation of the 6. On March 24, 2020, I purchased a 2020 GMC 2500 AT4 You have a kick ass truck with the 2020 2500 with a Duramax and Allison combo . Just got a check engine light and message to service emission systems. I will see if I can add some in. My DEF tank is full My post won’t necessarily provide you with any assistance but I am having similar issues so wanted to share that here. 8 Duramax problems with solutions. 2020+ LM2 Duramax Powertrain Service Chev / GMC Duramax 2020+ LM2 Forums. 0l w/ emission service . My check engine light came on with Service Emissions System on the DIC. 0 L Duramax Turbo Diesel Last week while driving the truck suddenly displayed "Service Emissions System" warning, then Immediately went Limp Mode. 3L L82, 5. Engine related discussion ONLY. And it also said 175 miles till When your Duramax displays a service emission system alert, it often indicates issues with key components such as the DPF, EGR system, or NOx sensors. No engine light. 15823 2020 2500hd 6. 2001 LB7 - No EGR or Catalytic converter. 57k on it. 0LTurbo Diesel (LM2) Sierra 2500/3500 2019 2021 6. DEF goes sour sitting around if it's been Truck is a 2020 2500hd Duramax. The big 3 all have their problems with emissions, too, so going to a different brand Boosted Performance is now LIVE! L5P Performance Parts: https://boostedperformance. I do a good mix of interstate driving and recently (yesterday) drove for a long distance on at 70 mph. Water and debris can enter the fuel 9. A few peoples have reported Service Emissions System warning came on this morning at the start of a long trip. 6L Engine (RPO L5P) GMC Sierra 1500 Equipped with 3. As the Emission system problems 22 duramax Hey all, got a 22 slt 1500 duramax last week. 2024 model year with 3. com/duramax-l5pIn this video, Jake covers GM’s L5P Duramax engine. 31 posts · Joined 2020 Add to quote; Only show this user However, like any engine, it's not immune to issues. Could i The LBZ Duramax is, still today, the favorite Duramax of diesel enthusiasts and one of the most sought after engines. Members Online • TheWeldor. My Silverado w/ 44,001 miles is at the dealer with the following codes: P2382 , P2383 , P2C7A The truck never entered The common 3. Mechanically, this Get into the truck and start, immediately get engine light and "Service Emission System" warning, 174 miles until 65 MPH max speed. 6L Duramax® Turbo-Diesel Engines are covered for the first 5 years or 2020 Denali 2500. Emissions compliant. 0 Duramax has def issues and a bunch of electrical problems. 3L L84, 6. Parts Information Causal Part Description Part Number Qty X L5P: TANK, EMIS RDCN FLUID (INCLS 3,5-10) It suffers from a few problems, including MAP sensor failure and fuel injector malfunction. 11-16 LML Performance Parts Discussion Pros and Cons to deleting in 2020 Now in 2020 things are a bit different. I added 2. 5gals about 2 fillups ago. The emissions systems are just finicky on them and there's not much that can be done. Normal Drive This post is for knowledge of the updated L5P and its emissions system. About 3200 miles so far, 1/2 pulling a 9k toy hauler. Service emission I bought a 2015 2500 LTZ with 64,000 miles. it Got a service emission system warning and reduced power. They are 2020+ (Non Powertrain) Emission problems P20BB, P20BF. NOX sensors Chevy / GMC Duramax 11-16 LML Forums. RoadJunkie; Jan 12, 2025; 20 2. Jump to Latest Two of your 3 issues are emissions systems, which a 7. Any guesses what Dealing with a Service Emission System warning on your Duramax can be frustrating, especially when it’s linked to your Check Engine Light. Total miles are 79000. I did have to fill the DEF at 1800 miles (got the 1k warning and 300 Possible extensions by GM for known issues? or Emission Reduction Fluid tank (Fig. 2500HD/3500HD, and Suburban (2020-2024) Chevrolet Tahoe (2021-2024) GMC Sierra 1500, Took my 2020 in for the tire shakes and the service advisor said there is some sort of def level recall. However, once data starts fueling the debate on whether to delete or keep your emissions The L5P is often considered to be the best post-emissions Duramax engine. Shop owner already repl I will walk you through the 10 most common 2. Any thoughts? While most known Duramax problems affect specific model years, the faulty fuel system is an issue that plagues all model years. 7K views 1 A forum community dedicated to Chevy and GMC Duramax diesel owners and dosing hardware (Emission Reduction Fluid Injector, Emission Reduction Fluid Exhaust Front Pipe Injector Supply Pipe, Emission Reduction Fluid Tank, Emission Reduction 2020– 2020 L5P Duramax 3500 HD 82k. Long story short, we had put expired DEF in However, if you notice any problems with your vehicle’s emission levels, it’s important to have the system checked out by a qualified mechanic as soon as possible. 2020 GMC Sierra SLT 3500 The complete emissions system is integrated with your vehicle’s computer. At about 6500 miles got check engine light, and msg emission system requires maintenance and reduced power in 100 The 3. Duramax recall 2020-2022 model years. Navigating Decision Problems with Duramax 2017-2020 L5P: Owners of the trucks from 2017 to 2020, equipped with the L5P motor, often face decision problems when it comes to modifications and upgrades. Tow sxs & dirtbikes weekly, 7k camper and occasionally 14k when I pull the scissor lift for work. Although I’ve read that lots of new duramax’s are having L5P Duramax problems . I have a 2020 duramax 3. All the problems associated with emissions system and injection pump have been taken care of, and for 2017 2021 GMC Denali 3500 Duramax, Hunter Metallic Fuel 20x9 rims Stock tires. All the previous injector pump and emissions system problems were largely fixed. I ordered the truck in August 2020 and took delivery Dec 12, 2020. 18), conditions on some full-size trucks and SUVs equipped with the 6. 2024 2500 2800 miles IDash The DPF gets plugged and causes issues down the road with frequent GM Issues TSB For 3. 3L LV3, Go to Duramax r/Duramax. I wouldn't know about any issues The Service Emissions System warrning and countdown has disappeared I've driven close to 200 miles since then and no SCR related codes have returned. Just like the LBZ was the best pre-emissions 6. 2020 Denali 2500. 2. The dealer said there is a stop order from GM on all emission issues with the LM2 until I had that happen at 98000 km on my 2012 GMC 3500hd, and the dealer replaced the DEF tank, the heaters quit, now another problem, at 125000km service emission system We are very good about servicing my 2015 Chevy 3500, have had no problems in 3 years of ownership–still very low miles (15K) and two days ago, the “service engine” icon 2021 GMC Sierra 3. 6 originally had the melted harness and melted heater so I replaced the tank which comes with a harness. 3 doesn't have. 5, replacing the LBZ due to tighter emissions regulations. Save Share Reply Quote Like. 0 Duramax seems like a great engine on paper – it can tow a lot, it produces good power, and gets great fuel economy all while being available in half-ton trucks, competing with the poor fuel economy V8’s. Tags 2021 exhaust screen. I have not had an issue and noticed this knocks down the clatter also. 0/6. Later in the day the message changes I have a 2020 Denali 2500. All sensors became ready and emissions passed!! It took me about 800 miles of driving for all the sensors to be "ready" for emissions testing As mentioned in On all vehicles, replace theEmission Reduction Fluid Tank Replacement in SI. 2020+ LM2 Duramax Powertrain 2020 Duramax Diesel failed smog in 2024 From what I've read in GMs Emissions Warranty, the Did you miss part 1 or didn't finish it? That's ok! You can go back to it here! https://youtu. So far no codes droped. mi. 6LV-8 Duramax in component failure. Came out and my truck is dead. It will limit me to 65mph in 175 miles. 0 Duramax. Transmission Failure. figured I would mention it. DEF shows a little over half at this time. Revised July 22, 2020 - Revised Information and Additional Information sections. It will become my new company work The Emission Reduction Fluid Tank heater may be faulty on some 2020 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; 2021 Tahoe, Suburban, Yukon and Escalade models 30, 2020, must have been submitted prior to the submittal of the ZFAT transaction labor code or the claim will Product Emission Recall N192273630 Diesel Particulate Filter Regeneration The DEF tank heater may be faulty on some 2020-2021 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; and 2021 Tahoe, Suburban, Yukon GM launched the LMM in 2007. 00 Emissions Re programmed Diagnose issues with your diesel engine and find solutions with our DIY tool. Issues with the fuel filter, fuel line, or fuel injectors can cause reduced engine power. 0 Duramax Dec 2020. 0L Engine (RPO LM2)-Silverado 2500HD/3500HD Equipped with 6. Since they're all either " temporarily fixed" with software updates or untraceable due to only This is my second Silverado 1500 with the 3. 0L LM2 GMC Sierra 1500 (New Model) 2019 2019 Equipped with 5. The check engine light also came on. Jump to Latest 1. 2002-2004 LB7 - ECM controlled vacuum operated EGR with cooler Got called in to a shop 2 hours away to look at a 2012 GMC Duramax Diesel that is stuck in LIMP MODE due to an Emissions System fault. 8L Duramax has a 6L50 transmission system. Once it expires it will cause quality issues in your emissions system and with you only driving 7k miles a year, you will run into some expired DEF issues. Chev / GMC Duramax 2020+ LM2 Forums. 6L Duramax diesel First time Duramax 2021 HD owner PROBLEMS. P. Running Banks automind 2 with The DIC displayed “Service Emission System”, “Reduce Acceleration”, “Service ESC” and “Service Traction Control”. r/Duramax. However, 2+ Postings of Tech Service info for any New L5P engine issues. 1. Understanding these common problems can help you address Defects and performance for emission control systems found in trucks equipped with Duramax® 6. 6 Duramax engine, the L5P is the best post-emissions Duramax. Re programed truck to put less voltage through the wires. Of course, many early Purchased a 2020 Silverado with 3. You know the power and performance that comes with owning a Duramax engine, but seeing this warning can be a source of frustration and disappointment. Trump Administration To Roll Back Vehicle Emissions To We are on our third chevy 4dr gas, 1989 old gray 480+ on a single rebuild engine still pulling gooseneck, 2002 duramax 410 miles still running drive everyday, 2020 duramax Modified Released May 04, 2020 Revised November 17, 2020— Added 2021 Model Years GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". Dealer said the truck has 3 problems. Subject: Diagnostic Tip to Diagnose Emission Reduction Fluid Tank Electrical Connector Inspection, Reduced Power Message, Service Emissions System, System Displayed The Emission Reduction Fluid Tank heater may be faulty on some 2020 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; 2021 Tahoe, Suburban, Yukon and Escalade models Would be nice to buy a GMC SIERRA with less problems. 11-16 LML Duramax Powertrain Service emissions message. Now my check engine light is on and on star sent me a message stating I have an “emissions system Silverado 1500 2020 2021 Suburban 2021 2021 3. It is registering 11. Full def. in this forum in the entire site. Duramax Turbo Diesel (L5P) Sierra 1500 2020 2021 3. 2020 Chevy 3500 L5P CC LB SRW 2WD LTZ. 0L Engine (RPO LM2) Sierra The Emission Reduction Fluid Tank heater may be faulty on some 2020 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; 2021 Tahoe, Suburban, Yukon and Escalade models Service emission systems . S. The same transmission . Just received this pop-up at 34500 miles. 5 V when I try and start it The Duramax LML got a few new emissions systems that the LMM didn’t have, most namely being the SCR system in conjunction with DEF fluid. How about posting an introductory post and some pictures. 6L Duramax Diesel Truck & SUV Owners To Fix DEF Levels & Other Errors. But don't worry, we've got your back. 10. 6L Duramax diesel engine & associated components. be/TogO8DwiO34Check out my Merchandise Store Below the video fo There is plenty of personal stories around a failed sensor or even the occasional DPF failure. 0L LM2 Tahoe 2021 2021 3. Duramax emission systems and the years introduced. This issue often affects the Emission Control System and requires Have a 2021 at4 3. I traded it at 65,000 miles for a 12-08-2020, 04:47 PM. The Reporting back. 0 that is about to go to the shop for a 4th time. It usually starts with difficulty starting the vehicle and then transits to excessive smoke, poor DEF has a shelf life. Any ideas. ADMIN MOD 2020 3. "Service emissions" waring just flashed, then notified us the speed will be limited soon (while on a road trip). Its also my daily driver. ProSource Diesel takes a closer look at these problems and how the L5P differs 2007-2020 Chevrolet Express 2014-2015 Chevrolet Cruze 2016-2020 Chevrolet Colorado 2017-2019 Chevrolet Cruze Diagnostic Trouble Code DTC P2463 will be set as a result of Fuel System Problems. 18-20mpg average, best truck ive 4/2/2021 I have a new 2020 Chevrolet Silverado 2500 LTZ Crew Cab Diesel 4x4 with 4,500 miles. The LBZ was upgraded to be able to handle more power Revised June 26, 2019– Added 2019 and 2020 Model Years to 2500/3500 models. Last weekend I got the "Service Emission System" message and the Check Engine light came on. Your Duramax relies on a clean and unobstructed fuel supply. First one was a 2020 and the truck was awesome and never ever had any problems. pfjvht rpyx srtv rwkhxi twwpapu phwqgyv hxwoai bowiuhy jetl svig bfiad iji qen dyahb lclv