Duramax acceleration problems.

Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors. The most notorious LB7 Duramax problem is their original injectors. 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.Dec 13, 2022 · Boosted Performance is now LIVE! L5P Performance Parts: https://boostedperformance.com/duramax-l5pIn this video, Jake covers GM’s L5P Duramax engine. Could i... Fall in Power Acceleration. Perpetual drop in power is one of those Duramax fuel pressure regulator symptoms that adversely affect vehicle performance. When it happens, the user might notice that the car is running roughly. Besides, there will …Some signs of faulty fuel pumps are dirty engine oil, whining noise and poor acceleration. This problem is common for early Duramax models and need to replace the pump to fix the issue. 2. Crank Start Issues. 3.0L Duramax engine gets the most complains due to the crank start problem.

Aug 2, 2020 · 2016 LML intermittent power loss and recovery. Just did a 3K trip on my 2016 over 3 days. Once each day for about 5 minutes while running at interstate speeds I had a power loss with excessive black smoke. Each time it lasted about 5 minutes and then was back to full power with no indications ever of any problems. Bad Spark Plugs & Wires. Most Chevy’s have a spark plug replacement interval of 60,000 to 80,000 miles. When a spark plug goes bad it can cause cylinder misfires, rough idling, and acceleration issues. Bad spark plugs are one of the leading causes of a lack of acceleration in Chevy vehicles.Jake goes over the background, common problems, reliability, and more for the Duramax LB7 engine. The article linked below, written by us, is a more in-depth guide on the common problems...

Mar 12, 2023 · These problems can cause a range of symptoms, including reduced power, poor fuel efficiency, engine overheating, and warning lights on the dashboard. Solutions for Engine Misfires: Engine misfires in the 3.0 Duramax engine can be caused by a range of factors, including faulty spark plugs, fuel injectors, or ignition coils. 3. 1. Nov 17, 2022. #1. I just got a 2021 1500 3.0 Duramax with 15k on it. It is the Black Widow. I'm going to make a post about this strange squeal sound I hear under medium acceleration. Sounds like a balloon letting the air out while pinching the flap. IDK, I have had many turbos and this is not the turbo whistle.

P0101 mass air flow out of range. P0102 mass air flow signal low. P0401 insuffiecient egr flow detector. P0700 trans control system fault. P0113 intake air temp circuit signal high. P0299 turbo or super charger under boost. After driving 2 blocks light is back on. Check codes and P0101 and P0299 reappeared.By following this step-by-step guide, you can effectively troubleshoot Duramax TPS problems. Remember to address any wiring issues, test the signal voltage, and evaluate TPS performance at different throttle positions. Proper TPS functioning is crucial for smooth acceleration and optimal engine performance. Cleaning The Throttle Body And TPShaving a problem with light blue smoke at idle and heavy blue smoke on acceleration with it clearing away at cruse speed some say it is valve guides but upon going to the dealer the claim there are no valve guide seals on the duramax 6.6 and that that problem could be turbo seals anyone with any ideas? this is a 2002 silverado 6.6 LB7. Like.Common power issues plague Lb7 Duramax engines, leading to performance problems. Addressing these Duramax problems promptly is crucial to ensure optimal power output and extend the engine’s lifespan. Let’s delve into each of these problems and explore the symptoms, causes, as well as potential solutions and fixes. Fuel Injector Problems ...Although the Duramax LMM engine was way ahead of its time, there are 10 common problems with it, including low fuel rail pressure, winter starting issues, DPF problems, water pump issues, gasket failure, piston failure, etc. Let’s discuss these problems and possible solutions. 01. Low Fuel Rail Pressure. Fuel filter problems cause low fuel ...

Although the Duramax LMM engine was way ahead of its time, there are 10 common problems with it, including low fuel rail pressure, winter starting issues, DPF problems, water pump issues, gasket failure, piston failure, etc. Let’s discuss these problems and possible solutions. 01. Low Fuel Rail Pressure. Fuel filter problems cause low fuel ...

Acceleration problems 03LB7. Jump to Latest Follow ... Hope this isn't the problem, or you are still under warranty. 2011 GMC 3500 SLT (Mostly Stock) 2001 911 Turbo 2007 Buell XB12XT ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 207K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel …

Lack of Power and Authority. Another complaint against the 6.6 V8 is that it simply does not pack any authority at all. The 0 to 60 time is sluggish and sometimes outperformed by the Diesel Duramax engine and is known to struggle even at 75% of towing capacity. Those who are for the 6.6 have argued that it is not a sports car engine …You may experience several problems with the 3.0 Duramax engine during use. However, I have listed a few common Duramax problems reported by owners. Oil …Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow 3K views ...It takes the Duramax a whole 7.0 seconds to complete the run. With that said, however, the Duramax diesel’s torque rating stands at a whopping 460 lb-ft, nearly 100 more than the EcoTec3’s 383 lb-ft. The V8 might win the acceleration challenge, but the Duramax has the low-end torque to put up a good fight.In short, the most common problems with LMM Duramax are low fuel pressure, crankshaft and piston failure, Allison 100 transmission issues, leaking transmission lines as well as PDF system, and active regeneration. When it comes to the engine itself, you will find that there are little to no issues that can be talked about.

Feb 22, 2021 · New to me 2015 LML. Deleted and tuned (unknown tune) Feel stock power level wise but if you mat it it doesn't usually downshift it just slowly accelerates. Coming from an 08 lmm and if you mat it it will downshift and the rpms jump to 2500-3k and it goes. This new LML won't do that, it hasn't been an issue really but today I pulled my unloaded ... Dec 26, 2022 · the Chevy 2500 6.6L Duramax Diesel L5P number 1 issues/problem is the MAP sensor getting clogged and causing your Duramax diesel engine to run poorly and mos... As a reliable and fuel-efficient engine, the 3.0 Duramax offers a great combination of performance and efficiency. However, there are 5 minor and 1 major problem with the engine, including a starting issue, bad fuel injectors, and a faulty oil pump. The 06 problems with their symptoms and solutions are: 1. Starting Problem.1) CP4.2 Injection Pump Failure. Duramax “upgraded” the injection pump for the LML models, going from the Bosch CP3 to the CP4.2. The new CP4.2 pump actually flowed 20% less fuel than the CP3. This makes the CP4.2 highly incapable of handling additional horsepower without the addition of a lift pump. But, added power isn’t the achilles ...Williams Controls accelerator pedals are widely used in various vehicles, providing precise control over acceleration. However, like any mechanical component, these pedals can expe...2024 L5P throttle response issues. I just bought a 2024 GMC 2500HD AT4 w/ Duramax. When leaving a stop light there is a slight shutter on acceleration. Is This normal? Also when coming to a stop slowing to a slow roll (about 5-10 mph) I step on the accelerator and the truck takes a solid 5-10 seconds to start responding.Overall, the 8.1 Vortec is very strong and reliable. However, despite its reliability it does have a number of common problems. The engine suffers from lifter tick, CPS failure, intake manifold leaks, spark plug failure, excessive oil …

The 4th injector is causing a problem for these high mileage 2017+ Duramax 6.6L trucks. On this Diesel Insights, Nick gives you a good tip that costs nothing...

The MAF values on the scanner should read as follows: With the engine idling at a temperature greater than 140°F and the Exhaust Gas Recirculation Valve (EGR) closed, the value of the MAF should be 38-42 g/s. With the EGR commanded on to approximately 40% the MAF should be 18 -22 g/s.Common power issues plague Lb7 Duramax engines, leading to performance problems. Addressing these Duramax problems promptly is crucial to ensure optimal power output and extend the engine’s lifespan. Let’s delve into each of these problems and explore the symptoms, causes, as well as potential solutions and fixes. Fuel Injector Problems ...Tmurray604. • 10 mo. ago. I just picked up my 2024 Sierra 2500 AT4 with the Duramax 5 days ago. Day 2 it was back at the dealer for a coolant leak (hose not fully clipped on at factory, so they say) after 180 miles. Got it back and 2 days later I got the “Acceleration reduced drive with care” message as well as “service traction control ...I have a '05 2500HD with the Duramax Diesel /Allison trans. and bought it with the stock air box and with it had very slow throttle reponse. I added on a Bully Dog Air Intake and did very little if anything to quicken it. It is most noticeable from a dead stop and hitting the throttle. It seems like it takes forever to kick in.Just spent $65,000.00 for a harsh shift when my old 95 4L80E still shifts smooth as silk! GM needs to FIX their problem. Truck now has about 6500 mi. on it and it has not changed. It also has a shudder under heavier acceleration. A lot of people here on this forum claim the fluid change to TES-295 really helps.3.0 cold surge. I have a 2020 2LT Silverado that began having cold weather surging issues last Dec. I would drive down the street 1/2 miles from home and at the intersection the engine would surge to 1000 rpm and then back to 400 repeatedly. However once the engine was at operating temps it stopped. Local GM dealer was able to …In today’s fast-paced business landscape, companies are constantly looking for ways to gain a competitive edge and accelerate their growth. One powerful tool that has emerged in re...If the pedal is hard to push -even with the key off-- most likely bit is a pedal issue. You will have to replace the entire unit. A "Limp" will show a "Check Engine" light -- be limited to 2,000 RPM and only have reverse and 3rd gear. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon ...Well unfortunately I have the known “chuggling” issue on my 2019 L5P Duramax. The issue has occurred half a dozen times and the truck only has 1,800 miles on it. It always happens in 3rd or 4th gear under light acceleration. It feels like the engine loses fuel for a second causing deceleration, then gets fuel for a second and accelerates ...

Jul 15, 2009 · Mike . 2005 Chevy 2500HD Duramax LLY. BANKS ram air intake, MBRP 4" exhaust, CAT DELETE and NO MUFFLER, EGR Deleted, Fisher SS ExtremeV plow, Auto Meter Gauges, Boost, Pyro, Fuel Pressure, turbo resenator blocked off, PCV Reroute.

Jul 28, 2021 · Bad Spark Plugs & Wires. Most Chevy’s have a spark plug replacement interval of 60,000 to 80,000 miles. When a spark plug goes bad it can cause cylinder misfires, rough idling, and acceleration issues. Bad spark plugs are one of the leading causes of a lack of acceleration in Chevy vehicles.

2012 LML Duramax surges and has weak acceleration. I started to have issues when I was suddenly put into limp mode (couldn't go past 1000 rpms). Cleared the codes and it came out of it but with weak acceleration and surging while in gear as seen in the video. I took it back out to video the weak acceleration and it wasn't doing the surging ... Bad hesitation on acceleration, NOT turbo lag! I have a 2006 LBZ that is starting to give me problems, I have 122,000 miles on it and it is very well maintained. The engine is all stock except for efilive DSP5 tuning, I have ran a nicktane 2 micron fuel filter since the truck was bought new. For some reason for the past 2,000 miles (only took a ...Sep 16, 2021 ... 3.0 Duramax Crank but won't start. This happens on Chevy Silverado, GMC Sierra, Chevy Suburban and Chevy Tahoe that has the 3.0 Duramax.I will walk you through the 10 most common 2.8 Duramax problems with solutions. 1. Transmission Failure. 2.8L Duramax has a 6L50 transmission system. The same transmission system is used in Camaro V6, Holden Chevrolet Lumina, Chevrolet Caprice, Cadillac SLS, SRX, STS, and CTS engines. It means GM has used a car transmission …1 post · Joined 2006. #1 · Jul 6, 2006. I have a stock early 2004 duramax with the allison automatic. Over the past few weeks I have been having sporatic problems with the transmission. Under heavy acceleration (pedal to the boards) the engine hits the shift point rpm but the transmission will not shift. I have to relase the throttle a little ...Both types need a flow of oil all the time. If they do not have a flow of oil all the time, the friction increases and eventually there is bearing damage and this can lead to other damage in the engine.The loss of oil being pumped thru the engine can be varied; pump fails, passageway for the oil becomes blocked, etc.Mike . 2005 Chevy 2500HD Duramax LLY. BANKS ram air intake, MBRP 4" exhaust, CAT DELETE and NO MUFFLER, EGR Deleted, Fisher SS ExtremeV plow, Auto Meter Gauges, Boost, Pyro, Fuel Pressure, turbo resenator blocked off, PCV Reroute. Although the Duramax LMM engine was way ahead of its time, there are 10 common problems with it, including low fuel rail pressure, winter starting issues, DPF problems, water pump issues, gasket failure, piston failure, etc. Let’s discuss these problems and possible solutions. 01. Low Fuel Rail Pressure. Fuel filter problems cause low fuel ... 8. Loss of Power on Acceleration. The most common issues with an LLY Duramax diesel truck are loss of power at low revs under load and lackluster performance. This causes LLY Duramax engines to have issues accelerating, which can be dangerous. There are 07 most common signs of bad throttle position sensor. Acceleration issues like hesitant to accelerate, accelerate itself, lack of acceleration power. Check engine warning light pops up on the dashboard. Fuel efficiency is low or high than standard. Throttle valve of the engine misleads. Bad Spark Plugs & Wires. Most Chevy’s have a spark plug replacement interval of 60,000 to 80,000 miles. When a spark plug goes bad it can cause cylinder misfires, rough idling, and acceleration issues. Bad spark plugs are one of the leading causes of a lack of acceleration in Chevy vehicles.

LML Surging on acceleration. I have a 2013 lml that when accelerating it will surge, happens more when under load pulling a trailer almost at any sort of acceleration rate. I've had this happening for the last 40k and no one knows how to fix it, no codes show. 112k I hit a deer and put new trans cooler, and bumper on the front, also did a 12mm ...Aug 1, 2023 · The MAF values on the scanner should read as follows: With the engine idling at a temperature greater than 140°F and the Exhaust Gas Recirculation Valve (EGR) closed, the value of the MAF should be 38-42 g/s. With the EGR commanded on to approximately 40% the MAF should be 18 -22 g/s. 18259 posts · Joined 2008. #5 · Dec 5, 2017. As you know the Duramax does not have a lift pump to push the fuel from the fuel tank to the engine, it uses the injection pump [CP3], to draw/suck the fuel from the fuel tank through all the fuel lines, filter, FICM and then into the CP3. So any small leak in the filter or fuel lines it will suck ...The Accelerated Cost Recovery System (ACRS) is a depreciation method that assigns assets periods of cost recovery based on specific IRS criteria. The Accelerated Cost Recovery Syst...Instagram:https://instagram. umpi your pacecampgrounds near duncan scgenerators for sale kansas citydifficult pictionary words In short, The most commonly reported problems that the L5P Duramax has are the Allison 1000 transmission, MAP sensor failure as well as fuel injector failure. … sdsu academic calendar 2024 25 pdfikea filler panels Decided to start a new thread on this problem....2011 fleece k-pump cp3 conversion, fass lift pump, new injectors and motorops heavy tow tuning. On the first test drive when u stump it, it falls flat on its face just acts like it is defueling or something.1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective. sound of freedom springfield mo J83. 5030 posts · Joined 2014. #8 · Apr 24, 2014. my truck runs 80 PSI on the highway when warm, it always has. 40-60 idle and 80 idle when cold. been like that for 7 or 8 years that ive owned the truck. everyone ive ever had look at the truck says its fine, i think our trucks run higher oil pressure then the newer ones.One of the most common problems associated with a duramax diesel engine is fuel injector issues. As they have been poorly designed, they’re prone to cracking. Bad …