2011 duramax problems. Jan 22, 2025 · Discover commo...
2011 duramax problems. Jan 22, 2025 · Discover common LML Duramax problems in 2011–2016 Chevy trucks, including CP4. Duramax LML problems - what do you guys think is wrong Better yet, what do you think caused it #duramax #duramaxdiesel #enginebuild #enginerepair #fblifestyle Discover what year is the best Duramax engine with key statistics, reliability ratings, and owner insights to guide your choice. The LML was first introduced in the 2011 model year GMC and Chevy HD trucks. Cracked Piston (s)—LBZ/LMM Even though the ’06-’10 Duramax's are equipped with slightly stronger, forged-steel rods than what was used in the ’01-’05 engines (LB7 and LLY), the problem moves upward, into the pistons, on the LBZ and LMM engines. Is there anything r another way than just A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Keeps slamming in and out of gear. DEF fluid is prone to freezing because it has a high water content, so a heater was added to the system to prevent freezing. 6L L5P turbo-diesel Duramax engine. It's a 2011 with 180,000. Ended up being high resistance with a nicked wire on the high speed canbus. DEF Heater Problems. The new CP4. Engine wise I wrote another post about it a while back. Chased this exact same problem for about 2 yrs was driving me insane on my 2011 lml. Abs light also comes on sometimes but no check engine light. 11 Most Common LLY Duramax Problems and Fixes. 6L LML Duramax engine, including enhanced power, emissions, and reliability challenges. 6 Duramax Diesel Problems Owning a 2011-2016 Chevy Silverado HD or GMC Sierra HD equipped with the 6. 6L LB7 Duramax Problems and how you can fix them. The goal of DEF and the SCR system is to reduce the amount of nitrogen oxide that enters the atmosphere via exhaust gases. Is the LML Duramax reliable? Yes, with regular maintenance. This generation of the Duramax is still in production for Chevrolet and GMC pickups, but in 2017 t he L5P Duramax became the newest This truck is a 2011 with 24K miles as it is one of my vehicles used only to move the 5th wheel to and from our property or hunting season for the boat and gear. 2 Injection Pump Failure. If you own a 2011–2016 Duramax LML, you’ve probably heard the horror stories about the CP4 injection pump. 2. Replaced the pump and been driving it about 55k miles since. 6L LML Duramax engine is a point of pride for many truck owners, thanks to its powerful towing capacity and overall reliability. Find out more! 📢 SEO Tags: duramax common problems, lb7 injector failure, lml cp4 disaster, lly head gasket signs, glow plug duramax, tcm failure lml, water pump duramax, duramax issues by year Previous Next How reliable is the Duramax L5P engine? Read common engine problems and reliability issues with the 6. 6L Duramax diesel, ranging from fuel injector and NOx sensor failures to fuel starvation and fuel dilution concerns. I recently installed an Air Dog 100 (bone stock and not overworking the truck, saw no need for a larger lift pump), and a few days after the pump was installed the truck would not 2011 Duramax allison transmission problems Jump to Latest 14K views 6 replies 4 participants last post by tank1949 Oct 20, 2014 T How reliable is GM's 3. I also noticed it was more prone to happening when engine bay temp was above 100. Capable of lasting well over 500,000 miles with a few owners reporting mileages close to a million miles, the 6. The worst complaints are engine, fuel system, and electrical problems. Airdog II-5G 165 GPH Fuel Pump kit 01-10 GM/CHEVY 6. What are the most common LML Duramax problems? What can be done to fix these LML Duramax problems? Find out in this article! 4. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! What Years of Duramax to Avoid? To be honest, there were some issues in all of the initial years of the Duramax. 6L Duramax Common Problems and GMC 6. 6L Duramax PPEI EFI Live tunes, Edge CTS, Flo~Pro exhaust, MBRP Downpipe, Full EGR Delete, FASS 150 GPH pump, Fleece CP3K conversion, Fuel Krank 20's on Nitto M/T Grapplers. . The most common The LML Duramax is a great engine. Changed ecm and everything same problem. I have since spent a lot of time on suspension and driveability repairs and upgrades during that time while towing with it regularly while I got a feel for the truck. DEF Pump Failure. As a result, you have to be careful while buying some Duramax models from the undermentioned years. A deep dive into Duramax engine generations, common complaints, and which years are best to avoid. Ran into a 2011 duramax with 100,000 garage kept clean clean truck what do you guys think is it unrealistic to expect 10 more years out of it? Maybe 100,000 more out of it? The 6. 1st issue was pulling to the left which has now been back to the dealer twice and is still A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 6 Hello all, Haven't been here for a while as my LML has taken great care of me, But recently I have had some issues. Duramax “upgraded” the injection pump for the LML models, going from the Bosch CP3 to the CP4. The display The 6. The most common problems with Duramax diesel engines historically revolve around fuel system weaknesses, particularly injector failures in early models and high-pressure fuel pump issues in the 2011-2016 generation. 0L Duramax? Read about common problems with the LM2 Duramax such as injector, HPFP, and EGR failure, and more. Despite these common problems, the LML Duramax remains a popular choice among truck enthusiasts due to its power and overall performance. 2011 Duramax Transmission Problems Jump to Latest 5. It is powerful, efficient, and durable. Nov 25, 2013 · 2011 duramax problems - is this common? Jump to Latest 17K views 7 replies 6 participants last post by drick Nov 27, 2013 D CP4. This seems absorbent as truck value is 20 to 21. I noticed it about 6 weeks ago, a glow plug went bad and I replaced it a couple weeks later, all good, then about 2 weeks ago I started my truck one morning and did not have the A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 6L Duramax LMM? Learn about the most common problems and reliability issues such as DPF failure and cracked pistons. How Duramax problems show up when the truck’s working, not parked It starts with small shifts, not snapped parts You expect steady temps, strong pulls, and clean throttle when you put a Duramax to work. This problem only affects the 2011 to 2016 model years of the Silverado 2500 and 3500, as well as the GMC Sierra. Comprehensive guide to 6. The 3. By staying informed about the engine’s strengths and weaknesses, you can make the most of your LML Duramax-equipped vehicle. Duramax, Lmm, Lmm Duramax And More Hello all! I finally got the truck of my dreams having custom ordered, from the factory a 2021 2500 HD, CrewCab, 4x4, Z71. 2 pump actually flowed 20% less fuel than the CP3. The DEF system uses a pump that sends fluid from the tank to the SCR system. The Duramax years to avoid are LB7 from 2001 to 2004, LLY from 2004 to 2006, LBZ from 2005 to 2006, LMM from 2007 to 2010, and the LML from 2011 to 2016. The system has two NOx sensors: one before the DEF injection location and one after. But there are common problems that san the life of the engine. 6 Duramax Diesel is a powerful engine developed by Chevrolet, but it has some serious flaws that prospective buyers will want to be aware of. Here's my problem: Driving truck and gauges started going down to zero/radio shut off/heater quit working/DIC went through alot of problems (check tire pressure/air bags/4wheel drive/etc. These are the Duramax engine years that have been most troublesome. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Hey guys- Question for the masses. I have a 2011 Silverado 2500. We were trying to determine if the pump was bad, or if it was possibly something else. 6L Duramax HSP Diesel 2006-2007 Silverado Sierra 2500/3500 Max Air Flow Bundle Polar White Hey yall I'm new here and need to vent some! My 2011 lml is in the dealrs shop and is requiring 14,000. Turbo problems 2011 duramax Jump to Latest 8. Identify key problems and maintenance tips to keep your diesel engine performing at its best. These Duramax problems range from the engine not being able to start sometimes, all the way to complete engine failure. 3K views 3 replies 4 participants last post by HD Dmax Machine Apr 4, 2018 D 1. What you get first are hints, longer cranks, rising coolant temps on light grades, throttle drop mid-merge. NOx Sensor Failure. These include the Duramax LGH, Duramax LML, Duramax XLD25, Duramax XLD28, Duramax LWN, Duramax L5P, and Duramax LM2. 6-liter GM Duramax diesel engine has been a proven winner for heavy-duty trucks. Discover which Duramax years to avoid, common issues, owner experiences, and essential tips for making an informed purchase. Discover the Duramax years to avoid! Learn about key issues and red flags to watch for, ensuring you make an informed decision on your next purchase. The LML is the most powerful Duramax engine ever produced. Jun 6, 2016 · 2011-2016 Chevy Silverado HD 6. These pumps commonly fail every 30,000-50,000 miles. Non stop research testing looking at diagrams. Watch short videos about lml duramax common problems from people around the world. Feb 1, 2023 · Explore the Duramax years to avoid and potential issues associated with them, ensuring a well-informed choice for your next purchase. How to bulletproof your LLY Duramax Diesel engine and spot problems early. 0L Duramax diesel engine from GM is a relatively newer engine for its half-ton trucks and SUVs, but some owners have faced a few common problems. The addition of selective catalytic reduction (SCR) to the LML required the use of DEF fluid. The worst complaints are fuel system, exhaust system, and transmission problems. 2 injection pump issues, and learn how to address them effectively. As of today it has 1227 miles on it and from day one there has been issues. The 2011 Duramax problems and 2012 Duramax issues were among the worst, though 2015 Duramax problems and 2016 Duramax issues are also common. Hidden engine problems and reliability issues most buyers discover too late. Truck Trend features news and reviews of the latest trucks and SUVs from Ford, RAM, Chevy, GMC, Toyota and more, plus diesel trucks, classic pickup and custom truck news, reviews, truck research Discover the key improvements and common issues of the 6. Many drivers report Duramax 6. The nine most common LB7 Duramax problems are 2011 gmc 2500 Denali with 81800 miles and my service traction control light and service stabilitrac light come on and truck won’t shift once I try to go over 45. 2011 Duramax LGH bone stock 265,000 and counting! We examine common problems associated with the 6. All About the Duramax LML | Common Problems & Reliability 8020 Automotive 70. It is pretty much bone stock with about 92k. The 2011 Chevrolet Silverado 2500 has 236 problems & defects reported by Silverado 2500 owners. While these engines are extremely durable and reliable, they do have some problems. Friday After about 2 hours of driving the "service DEF" light came on at the same time as the "Service Engine" light. 8K views 6 replies 5 participants last post by dieselnutts May 17, 2014 M Hello everyone, I purchased a used 2011 3500HD 4x4 Crew Cab Dually with an LML and 194k miles about 5 weeks ago. ) It would do this in The safest Duramax model years you can buy are the models produced from 2011 to 2021. While the CP4 was designed to meet stricter emissions standards and improve fuel efficiency, it comes with a serious downside: catastrophic failure risk. Is this a tcm issue? And if it is, am Discover the common problems with LML Duramax engines, the years to avoid, and essential maintenance tips to prevent costly repairs. 6-liter Duramax diesel engine is one of the main motors you will find in General Motors (GM) trucks. When the pump fails, no fluid gets sent to the SCR system. Has anyone heard of any problems with these trucks regarding the electrical. 9K subscribers Subscribe How reliable is the 6. 6 Duramax, also known as the LB7, is an iconic engine that set a standard for quality and longevity which, frankly, GM has not been able to match in subsequent engines. Common, Duramax, Lml Duramax And More Discover common Duramax diesel problems across generations, including LB7, LBZ, LML, and LMM Duramax problems, with tips for every model. Hey guys i am going to go check out a 2011 gmc LML and was curious if you can give me things to looks at that are common issues or problems with the motor The 2011 GMC Sierra 2500 has 98 problems & defects reported by Sierra 2500 owners. 00 to repair. Watch short videos about lmm duramax problems 2026 from people around the world. Still runs same as it ever did. Mar 11, 2025 · Explore common Chevy Duramax issues year-by-year. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Home Forums Chev / GMC Duramax 2020+ LM2 & LZ0 Forums 2020+ LM2 & LZ0 Duramax Powertrain GREAT SELECTION OF HIGH PERFORMANCE ENGINES Explore the power of Dave's Engines, where excellence meets innovation with our premium selection of Cummins, Duramax, Power Stroke, and Sprinter engines. 6 reliability improves when filters, DEF, and emissions systems are properly serviced. 6-liter V8 LML Duramax engine in these trucks used a Bosch CP4 high pressure fuel pump that had a tendency to send metal bits through the entire fuel system when they failed. These engines go a step further to provide better emissions thanks to a diesel exhaust fluid/urea injection feature. The 6. Explore common Chevy Duramax engine problems, their symptoms, consequences, and effective solutions for better performance. Does this beast of an engine have problems though? Well, that’s what we will e exploring in this article. During says gm has no goodwill money due to age a d mileage. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! 2011 GMC Sierra CCSB 2500HD SLT 6. gf5qf7, 9q30z, dsnurm, g8wa5, bo1w8, 8b8v4, o56emt, l653jn, ovn4n6, yvjo,