Duramax acceleration problems.

Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow 3K views ...Mjrkav. 198 posts · Joined 2017. #6 · Jul 28, 2017. Had mine reflashed a few weeks ago. Pretty well solved the "sudden acceleration" problem. Trans shifts easier from 1st to 2nd. Pedal seems less touchy. Now if we could just solve the CEL code problem, I would be extremely happy!! 2017 Chevy Silverado 3500 L5P.13 posts · Joined 2011. #1 · Dec 23, 2017. Traded in my 15 3500hd for an 18 2500 hd and I have just started to notice a clunk, like a thud coming from the rear of the truck upon medium to heavy acceleration from a dead stop. The truck presently has 106 miles. It almost feels like a sheet of plywood that is moving in the bed hitting the ...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 ...Hesitation when accelerating. I’ve had my new 2018 duramax for one week. Still in the original tank of diesel, and have 447 miles on the truck. I have noticed this a few times when I’m going up a hill, and hit the gas, the truck hesitates for a few seconds and then gets going. This also happened two other times when merging onto the freeway.

Nov 24, 2018 · 1. Snapped Crankshaft. Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet. 2009 GMC Sierra 2500 LMM, Cognito UCA, TRUXXX Keys, Bilsteins, Sulastic Shackles, 20x9 BMF S.O.T.A. 305/55R20 Pro Comp Xtreme AT's, Firestone Airbags, HID 6000K Low beams & Fogs, 20" LED Light Bar (IN the Bumper), Banks Dual Exhaust, Edge CTS. knotReally, corneredge and Tex Findlay.Had no problems until now.I have a 2001 2500 hd 6.6 diesel.Last month changed a bad water pump.Now having acceleration problems.Changed fuel filter. Still …

I’m getting a shudder/stutter when accelerating above 45mph. When I give it throttle above 45mph and it down shifts and puts the RPMs at 2,000, the shudder/stutter …

242 posts · Joined 2021. #2 · Dec 15, 2022. Cold air will sound different going through the turbo until piping, intercooler warmed up. Also when cold it keeps the vanes more closed in an effort to warm up the engine by making it work harder. Also the air around the engine transmits sound better when cold. 2020 GMC 2500 CCLB work truck …11 posts · Joined 2021. #1 · Dec 11, 2021. I’ve been looking to get a new truck and was looking at the GMC AT4 1500 with the 3.0 Duramax and was wondering if there are any problems with this motor and what else would I need to know before buying this truck, fuel economy, reliability, etc. Sent from my iPhone using Tapatalk.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 ...Head Gasket Failure. Injector Harness Chafing. Water Pump Failure. Overheating. EGR Valve Problems. Glow Plug Failure. Fuel Pressure Relief Valve. Suspension/Steering Problems. Bent Rods. Lack of a Factory Lift Pump. 1.3. 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.

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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.

Same for your fuel filter. If your filter isn't letting enough fuel pass through, your engine isn't going to accelerate the way you need. Trouble starting your engine is another indicator that your fuel filter is clogged. If you've got a full tank of diesel and your engine won't start, there's a good chance your filter may need changing.Though Barta says the new LZ0 has a longer torque curve, reaching 490 pound-feet at 2,750 RPMs, you still get the 460 pound-feet at 1,500 RPMs. Basically, you still get the whiplash effect but also more power when passing and towing. 2023 LZO CC std box 4x4. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 …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 TPSThe Duramax is famous for rubbed through wire issues.. Pump up your fuel primer on the fuel filter head and let it sit (preferably overnight ). Recheck it in the morning and if the primer button is soft, start by rebuilding your fuel filter head or replacing it. Go through all fuel lines.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 Duramax is famous for rubbed through wire issues.. Pump up your fuel primer on the fuel filter head and let it sit (preferably overnight ). Recheck it in the morning and if the primer button is soft, start by rebuilding your fuel filter head or replacing it. Go through all fuel lines.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. Since it’s relatively new on the market, there is still very limited information available on it as far as problems are concerned. Let’s now look into these different issues one by one.

Mjrkav. 198 posts · Joined 2017. #6 · Jul 28, 2017. Had mine reflashed a few weeks ago. Pretty well solved the "sudden acceleration" problem. Trans shifts easier from 1st to 2nd. Pedal seems less touchy. Now if we could just solve the CEL code problem, I would be extremely happy!! 2017 Chevy Silverado 3500 L5P.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 …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.Nov 24, 2018 · 1. Snapped Crankshaft. Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet. LMM Duramax pistons can be burnt or damaged for various reasons. If you continuously use low-quality fuel in your engine, it will cause piston failure. Besides, extreme loads can …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.

Duramax LB7 engine was way ahead of its time. Still, it has 5 common problems: injector failure, head gasket failure, water pump failure, fuel filter housing O-ring leaks, and engine overheating. 1. Injector Failure. An injector is an instrument that injects liquid fuel into internal combustion engines. It is one of the essential parts of the ...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.

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.Are you looking to accelerate your career in the field of Information Technology (IT)? If so, then obtaining a Cisco Certified Network Associate (CCNA) certification could be the p...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 …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...Mjrkav. 198 posts · Joined 2017. #6 · Jul 28, 2017. Had mine reflashed a few weeks ago. Pretty well solved the "sudden acceleration" problem. Trans shifts easier from 1st to 2nd. Pedal seems less touchy. Now if we could just solve the CEL code problem, I would be extremely happy!! 2017 Chevy Silverado 3500 L5P.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.

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33-MPG or Not, the 3.0L Duramax is the Most Efficient. Your mileage may vary, but so far the 3.0L Duramax hasn’t quite lived up to the 33-mpg hype. We’ve seen trucks come close in 99-percent, steady-state highway cruising, but most hand-calculated fuel economy numbers for 4x2 model Silverados range from 27-mpg to 31-mpg.

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 …injector noise again. I have a 2003 chev 2500hd duramax with 263000 miles on it. It all started about 50000 miles ago, the injectors started making a tapping sound after another 30000 it was alot louder and it started to smoke. 15000 miles later i had all eight injectors replaced, for the first 2 weeks engine was real quiet, no tapping at all ...Need some help here. When I floor my 2003 LB7 duramax at highway speeds it slowly crawls while accelerating. If I'm at highway speeds and put on cruise control and hold the accelerate option it gets up and goes like a bat out of hell. What could be the problem here if any? Maximum speed I can reach with it floored is like 75 mph.Water Pump Failure. Fuel Filter Housing O-ring Leaks. Blown Head Gasket. Overheating (fan clutch problems, radiator gunk) In addition to the above common engine problems, there are also a few worthwhile to mention problems that affect high horsepower LB7’s: Crankshafts + connecting rods break at high hp.Boosted Performance is now LIVE! LB7 Performance Parts: https://boostedperformance.com/duramax-lb7In this video, Jake covers the LB7 Duramax engine. It is a ...AXDX: Get the latest Accelerate Diagnostics stock price and detailed information including AXDX news, historical charts and realtime prices. Indices Commodities Currencies Stocks11 posts · Joined 2021. #1 · Dec 11, 2021. I’ve been looking to get a new truck and was looking at the GMC AT4 1500 with the 3.0 Duramax and was wondering if there are any problems with this motor and what else would I need to know before buying this truck, fuel economy, reliability, etc. Sent from my iPhone using Tapatalk.The 3.0-liter Duramax diesel made 277 horsepower and 460 lb-ft of torque; 95 percent of peak torque happened at 1,250 rpm. The official EPA fuel economy ratings were 33/23/27 mph highway/city ... Same for your fuel filter. If your filter isn't letting enough fuel pass through, your engine isn't going to accelerate the way you need. Trouble starting your engine is another indicator that your fuel filter is clogged. If you've got a full tank of diesel and your engine won't start, there's a good chance your filter may need changing.

These problems can cause a range of symptoms, including reduced power, poor fuel efficiency, engine overheating, and warning lights on the dashboard. Solutions …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.Overheating (pre-2006) Fuel pressure relief valve. If you would rather consume this content via a video, check out our Chevrolet LLY Duramax Common Problems video below: 1. Bent Rods. While the LLY made competitive performance numbers back in 2004, the engine is certainly not competitive to the modern day diesels.Instagram:https://instagram. clinton reef lake erie map Gas engines traditionally offer better acceleration. Car owners would usually expect the 6.6 engines to deliver better speed pickups, but that is not the case. The Duramax engines outperform the Chevy 6.6 gas engines as the latter has certain problems. Obviously, these gas problems imply a significant drawback for cars and …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. products offered by wal mart 450 supercenter 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 … fort liberty id card appointment 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 ...It does'nt make sense that the nox sensor would create such havoc, but it did.. So those of you Duaramax owners that have the vibration like your drive shaft or tires are out balance change the Nox sensor by the turbo.. Problem solved.. Good luck.. 2017 3500 hd L5P. 77cruiser. ucare provider network 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. Gas engines traditionally offer better acceleration. Car owners would usually expect the 6.6 engines to deliver better speed pickups, but that is not the case. The Duramax engines outperform the Chevy 6.6 gas engines as the latter has certain problems. Obviously, these gas problems imply a significant drawback for cars and … kim castro khou 11 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. umi premium sushi and seafood buffet east brunswick reviews 07 2500HD Classic Black crewcab\SB Duramax LBZ -Diablosport 120HP-Diamond Eye True downpipe-4" straight exhaust from band clamp back-AEM intake with AFE filter and outerwear ... These codes are not related to your acceleration issue. The P1093 indicates issues with the FPRV. Take a look at this thread about doing a bottle test. clemson memorial stadium seating 07 2500HD Classic Black crewcab\SB Duramax LBZ -Diablosport 120HP-Diamond Eye True downpipe-4" straight exhaust from band clamp back-AEM intake with AFE filter and outerwear ... These codes are not related to your acceleration issue. The P1093 indicates issues with the FPRV. Take a look at this thread about doing a bottle test.Try to prime the truck using the fuel filter pump. Crack the bleeder screw and pump it until fuel starts to come out and there is no more air. Once its pure fuel, stop priming the pump and tighten the screw. Push on the primer. (it should be hard) If it doesn't get hard you may have to rebuild the fuel filter housing. Justin. 2005 LLY Rods, Cam ... aftermath lyrics notti The new 2018 seems to intermittently when driving and pushing on the accelerator to intermittently hesitate like it is staving for fuel almost like a slight bucking. It started at around 300 miles and is still happening, but it is so intermittent it only happens 2 times in appx 60 miles. vcu sdn 2023 2024 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 ... preferred loge ii first base mvp TikTok have announced that they are now accepting applications for the third round of their Support Black Businesses accelerator program. TikTok has announced that they are now acc... cinemark rancho mirage ca 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 ...1 post · Joined 2022. #10 · Apr 25, 2022. Jburleson said: Hi, just purchased a 2021 At4 3.0 diesel. Less than 300 miles check engine light comes on and dashboard says “ reducing engine power”. Went to dealership. Mechanic thought it was a faulty code reading. They check it , said they found nothing faulty. They didn’t say which code it ...And it’s bringing privacy concerns with it. While the coronavirus crisis has been distinctly not great for humans, it’s already been a boon for robots. As humans have stayed home t...