Duramax acceleration 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 ...203 posts · Joined 2014. #8 · May 25, 2016. There's a mass airflow sensor. Diesel engines in general don't have a throttle, that's why you don't ever spray MAF cleaner directly on the intake, it can over rev. Same can happen if your turbo compressor seal busts, oil will make its way into the engine and you can't turn the engine off.Indices Commodities Currencies StocksI have an '05 duramax. Am having acceleration issues at 2000 rpm. Once I hit 2000, regardless of the gear, it bogs down, loosing acceleration. then it will not run over 2000 rpm in high gear, which is about 65 mph. I have a "superchips" programmer but the truck does the same thing regardless of the settings (stock, etc...) it's like it has a ...

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. …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 …

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 ... Pull the shaft out and check the U-joints, maybe try a test drive without the shaft if will tell you something. 01 GMC 2500hd ecsb Dmax/Alli. 4" exhaust to 5" single stack,EDGE Insight CTS, EFI Live Moonshine tuned, Suncoast stage IV, Complete Kryptonite front end with PISK , 305/55/R20 Cooper Zeon's on Rockstars. Eaton E-locker.

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.2018 L5P 3500 stumbles. New 3500 Denali bought new about 2 months ago. It has 1800 miles on it. while getting on the freeway at 35-45 mph relatively light acceleration truck stumbles I cant tell if its engine or trans caused. Kind of feels like it runs out of fuel or it doesn't know what gear to be in.1. Check the air filter and replace it if necessary. A dirty air filter can restrict airflow and cause a delay in throttle response. 2. Make sure the mass air flow sensor is clean. A dirty or faulty mass air flow sensor can also cause a delay in throttle response. 3. Check the throttle body for dirt and build-up.Engine stalls during a hard acceleration. I have a 2002 Duramax with 180,000 on it. All stock and the original injectors. The other day when accelerating hard onto the highway it took off fine but just about 25-30 mph it felt like it stalled out. I let off the throttle and then slowly accelerated fine. There was a puff of blue/white smoke.My lb7 duramax dies under acceleration when warmed up, have replaced injectiors, fprv, new fuel lines, installed a lift - Answered by a verified Chevy Mechanic ... This problem will usually set a low rail pressure code. Other Notes: • If the vehicle has starting issues then the injectors are the most likely cause. Perform the injector return ...

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...

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.

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 ...2012 6.6 DEF continuous problems. Hi all, I'm here for help. I have a 2012 GMC 2500 6.6 I have 115,000 miles on it and over the past 50,000 miles I've had to have the DEF injector replaced and the entire DEF tank replaced. Last night I got the "poor" DEF fluid quality message with speed restrictions in 99 miles.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 ...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.Fuel Injector Problems. 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 injector can cause many problems including loss of power and excessive smoke. How to Fix Them? The only way to address this problem is to replace …

Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Acceleration Problems. Jump to Latest Follow 1 - 12 of 12 Posts ...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 …Pull the shaft out and check the U-joints, maybe try a test drive without the shaft if will tell you something. 01 GMC 2500hd ecsb Dmax/Alli. 4" exhaust to 5" single stack,EDGE Insight CTS, EFI Live Moonshine tuned, Suncoast stage IV, Complete Kryptonite front end with PISK , 305/55/R20 Cooper Zeon's on Rockstars. Eaton E-locker.A new lift pump will not only improve the engine problems but also reduce emissions. In case you’re looking for a new diesel engine in OKC, you can consider contacting a good motor company. Water Pump Problems. Duramax engines are equipped with water pumps having plastic impellers. They’re weak and prone to failure.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.Issue isn't consistent sometimes it will go a day maybe 2 days no issues. Sometimes it will go 30 to 50 miles then issues occur still no codes. The issue when it happens. Is as follows. The truck sputters when driving at 1500rpm to 2500rpm like poping and sputters. Basically how a truck would sound with mass airflow sensors unplugged.

Boosted Performance is now LIVE! L5P Performance Parts: https://boostedperformance.com/duramax-l5pIn this video, Jake covers GM’s L5P Duramax engine. Could i... 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 ...

Teaching a child to read — and the importance of reading — can be a parent or teacher’s most difficult task, but the Accelerated Reader program makes it easier than ever. The progr...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 …Sound shows up on video at about 23 seconds. Ha ha I’m get that noise in the morning at around 15-20mph then it goes away never cared about it sounds like something rubbing a wire or something from the center counsel. The other thing that gets me temperamental is the Damb passenger seat belt when not flip correctly between the …If the truck can do 20 mpg empty, it burns 1.5 gal just covering the 30 miles, plus the extra 1 gallon going to the 9th injector. You end up using 2.5 gal /30 miles or about 12 mpg. These 2024's seem to be using closer to 2 gal/30 miles, plus the extra for regen makes 3 gal/30miles or 10mpg during regen.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.Aug 5, 2020 · 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.

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...

Got an interesting problem to solve with my 3500HD SRW High Country. Put a Tuff Country leveling kit on the truck which included upper a-arms, torsion keys, front differential drop spacers, shock drop brackets, limit straps, etc. for the front end. I only lifted the front 2.75 inches leaving it about 0.5 inches lower than the back (slight rake).

My lb7 duramax dies under acceleration when warmed up, have replaced injectiors, fprv, new fuel lines, installed a lift - Answered by a verified Chevy Mechanic ... This problem will usually set a low rail pressure code. Other Notes: • If the vehicle has starting issues then the injectors are the most likely cause. Perform the injector return ...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.Went to my local chevy dealership yesterday afternoon. They have 0 silverados with the 3.0 duramax. The salesman was somewhat helpful, but we had to do Chevy's "build a truck", as in order one. The 3.0 duramax on the 2023 silverado is a $2,390 option. That pretty much prices me out. I had thought it was a $950 option, but at …#1 · May 24, 2016. Hey guys recently my truck won't accelerate past quarter throttle before it starts hopping real bad. Now when I go to accelerate it will build boost but not move right away and then suddenly it will take off like no other like someone flipped a switch telling it to go. Any ideas what's cause this?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 …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 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.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.

GM Even has a TSB about rear chatter. Aftermarket is the way to go. 07 Chevy Silverado 2500HD SBCC LT/LMM 4X4 Lifted, Wheels, Spicy Tuna, Custom Money Shredder, Dual "Air Compressors" 90 GMC Sierra 1500 'Bagged, Bodydropped 4.5" ,24" Helo 866's w:275/30/24 Kumho's. 06CCDMAX;1564009 said: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. …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.Instagram:https://instagram. biggie net worth 2023jay croucher wikipediacuyahoga court of common pleas docket searchhow to turn off has notifications silenced 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 ... dillons 21st and amidonivan vanorwick 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. gas buddy fresno ca 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... 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...