Duramax acceleration problems.

A day later it was so loud you couldn't ignore it. Starts when you accelerate at lows speeds and by the time you're up to about 45/50mph it quiets down to the point where you only hear it slightly on heavy acceleration. The sound is almost like a roots/twin screw supercharger; like a dry gear turning really fast.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. 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.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Performance Parts Discussion ... Power loss on acceleration. ... I'm pretty much and a stand still right now although my I was having problems with my shift indicator so I changed the nsbu and ignition switch which fixed that problem but did fix what I think is a fuel issue ...

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...

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.

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 …2001 GMC Sierra 4x4 crew cab 4WD Duramax diesel engine. Runs & starts fine, and OK in normal driving, even hard acceleration, but when puling heavy load, after 2ndor third hard acceleration, check eng … read moreShudder under acceleration over 45mph. 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 starts until 2,500 RPMs and then goes away. No issues under 45mph, during steady state driving, and it happen less when in tow haul mode.Jun 19, 2023 · Remove thermostat. Flush the cooling system. Add water to the system. Keep the engine idle and slowly add a head gasket sealer to the radiator. (There are many types of head gasket sealers available in the market. Keep the engine idle for 50 to 55 minutes. Install the radiator cap.

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0. 0. Dec 28, 2019. #1. Having a couple issues with my 2013 Duramax 75,000 miles. Show reduced power on the instrument panel and it feels down on power, maybe 75% of normal. But no check engine light. Also the lights dim every 5 seconds or so when at idle, the voltage goes from 14.5v down to 12.9 when this happens.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 …What are the most common problems with the L5P Duramax? 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.3.0 Duramax Problems and Solutions- Detailed Guide. Let’s examine some typical problems that users of this engine encounter and discover some practical fixes. Overheating Problems. One of the common complaints from the Duramax owners is that the water pump fails quite fast (it happens if you just drive around 80,000 miles).Problem 2- Overheating. Another common issue with the 3.0 Duramax is overheating. It can happen for a number of reasons, including a broken cooling system or a clogged radiator. Overheating can lead to serious engine damage. So, it is essential to address this issue as soon as possible to prevent further damage.

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.Maybe. According to Pickup Truck Talk, the 2022 GMC Sierra 1500 has increasing reports of engine failure and no-stating issues. These problems include the gas-powered engines and the diesel option. The 6.1-liter V8 engine could be facing engine lifter problems. Owners of General Motors V8 engines with Active Fuel Management (AFM) …Oct 3, 2014 · 1 post · Joined 2014. #1 · Oct 3, 2014. 01 LB7, only non stock is air intake.I was pulling an average size boat when I got a check engine light and lost power. I could ease it up to 50 mph but if I pushed it then back down to no power. Pulled into a parts store,changed fuel filter and they analyzed it. Said it was the fuel pressure regulator. 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.Fuel System Problems. Your Duramax relies on a clean and unobstructed fuel supply. Issues with the fuel filter, fuel line, or fuel injectors can cause reduced engine power. A faulty injector can disrupt the fuel mixture, and clogged fuel filters restrict fuel flow, both potentially leading to limp mode activation for protection.

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 ...Sierra Denali ultimate 3.0. Left me stranded on the highway. Terrible noise coming from the turbo and reduced power, tons of smoke billowing from behind. Towed to the dealer and somehow oil got into the turbo. Ruined the turbo and emissions system. No idea how that could happen with 7k miles on the truck.

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.THe Air Dog 165 immediately cures the problem. THere are two problems with fuel in our trucks. First is what we have been discussing, that is the lack of total quantity under max demand situations. THe second and possibly just as devestating is the fact that churned up diesel fuel fills itself with microscopic air bubbles.Jan 14, 2020 · More LM2 Duramax 3.0 Issues. I bought a LM2 duramax recently, a black RST. I really do like it, but it has problems. First problem: After getting off the highway and stopping at a light, exhaust fumes flood the truck through the air vents. I thought maybe it was just one of those new car smells, and I thought it might go away, but nope. Fuel System Problems. Your Duramax relies on a clean and unobstructed fuel supply. Issues with the fuel filter, fuel line, or fuel injectors can cause reduced engine power. A faulty injector can disrupt the fuel mixture, and clogged fuel filters restrict fuel flow, both potentially leading to limp mode activation for protection.An improperly routed cooling fan wiring harness shorted to ground against the alternator pulley, sending a false erratic cooling fan clutch signal to the ECM...846 posts · Joined 2018. #1 · Oct 26, 2018. 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 ...

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No problem since then. The MAF is very sensitive to residues and it can and will cause smoke if they get dirty or oily. Chevrolet '16 2500HD 4WD LTZ CC D/A LML Deep Ocean Blue, HID lighting, otherwise stock. GMC '04 2500HD SLE CC D/A LB7 SB Summit White, LineX, Nicktane, JK headlight harness, JK fuel pump and harness, Banks …I fear mine is doing the same thing… connectivity issue. Throwing check engine…”reduced acceleration drive with care” Reset once, came back on 30 minutes later. 2023 1500 Elevation Crew Cab with the 3.0 Duramax. Got it Valentine’s Day as a gift from my wife-Oct 3, 2014 · 1 post · Joined 2014. #1 · Oct 3, 2014. 01 LB7, only non stock is air intake.I was pulling an average size boat when I got a check engine light and lost power. I could ease it up to 50 mph but if I pushed it then back down to no power. Pulled into a parts store,changed fuel filter and they analyzed it. Said it was the fuel pressure regulator. 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 ...Another thing to check is the FICM harness at the side of the alternator, it is tied down with a zip tie. The sharp corner of the FICM bracket cuts into the wires and causes a short. You should fill out your Signature with the year and any mods on the truck. Click the User CP at the top left side and then the signature.If your not too far I can take a ride with you and see if there is anything I can help you with. Tony Martino- Ridge Runner Diesel Performance, LLC - 854-444-2874. 2001-2016 Duramax Tuning & 2006-2016 Cummins Tuning. Allison 5 Speed and 6 Speed Tuning. www.ridgerunnerdieselperformance.com.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.May 20, 2022 · Hesitant acceleration; Low fuel pressure; Power loss; Rough idle; Replacing the high-pressure pump is inevitable. However, you can prolong the pump’s lifespan with good maintenance culture and avoid running on low fuel. 3.0L Duramax Reliability. The crank no start issue is the major problem that has ravaged the 3.0L Duramax.

Another thing to check is the FICM harness at the side of the alternator, it is tied down with a zip tie. The sharp corner of the FICM bracket cuts into the wires and causes a short. You should fill out your Signature with the year and any mods on the truck. Click the User CP at the top left side and then the signature.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.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 ...Instagram:https://instagram. maple leaf motel new milford Maybe. According to Pickup Truck Talk, the 2022 GMC Sierra 1500 has increasing reports of engine failure and no-stating issues. These problems include the gas-powered engines and the diesel option. The 6.1-liter V8 engine could be facing engine lifter problems. Owners of General Motors V8 engines with Active Fuel Management (AFM) … countess's counterpart Oct 25, 2022 ... Including hauling a truck camper all over the west up and down mountain passes in 90 deg temps without a single issue. Also performs well here ...Many customers have upgraded from their old pre-emissions Duramax to a new LML Duramax and found there are a few changes besides just the looks. The new LML made and astonishing 395 RWHP and 731 ft/lbs of torque on our dyno when tested stock. Which is impressive by itself but you will probably notice your old Duramax feels quicker. laura grillo rowlett 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 TPS gas laws magic square 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. Jul 28, 2007 · Same problem Hey guys, my LLY has recently been doing the same sluggish acceleration as of recent. Today the truck fell on its face, so i pinned it and then three codes appeared. They were P0401 EGR insufficient flow, P0404 Exhaust Gas Recirculation Open, and P0101 Mass Air Flow Sensor Circuit Range/Performance. Any and all adviced is appreciated. smarty cash back charge on credit card 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 … gandg custom upholstery 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...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 ... air quality plymouth mn 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 …Nov 17, 2018 ... If your LB7 is loping/surging at idle, especially when in drive, this is one possible solution to your issue. As stated in the video, ...Sierra Denali ultimate 3.0. Left me stranded on the highway. Terrible noise coming from the turbo and reduced power, tons of smoke billowing from behind. Towed to the dealer and somehow oil got into the turbo. Ruined the turbo and emissions system. No idea how that could happen with 7k miles on the truck. melody vtuber real face 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 ...Apr 12, 2017 ... Did u check your injectors rating and I think I'm having that same problem with mine mine are in spec and fuel mileage is getting bad after ... flower rosary tattoos Sierra Denali ultimate 3.0. Left me stranded on the highway. Terrible noise coming from the turbo and reduced power, tons of smoke billowing from behind. Towed to the dealer and somehow oil got into the turbo. Ruined the turbo and emissions system. No idea how that could happen with 7k miles on the truck. 21 day forecast orlando florida 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 ...Boosted Performance is now LIVE! L5P Performance Parts: https://boostedperformance.com/duramax-l5pIn this video, Jake covers GM’s L5P Duramax engine. Could i... makayla noble what happened 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. Maybe. According to Pickup Truck Talk, the 2022 GMC Sierra 1500 has increasing reports of engine failure and no-stating issues. These problems include the gas-powered engines and the diesel option. The 6.1-liter V8 engine could be facing engine lifter problems. Owners of General Motors V8 engines with Active Fuel Management (AFM) systems aren ...