Duramax acceleration problems.

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.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.Former Trucks:2019 GMC Sierra Denali Duramax 2500, loaded. 2016 GMC Sierra Denali Duramax Z71. every option with the exception of rear seat video. Snugtop truck cap with keyless entry, Edge Insight CTS II, custom rear back up camera for my boat trailer with quick disconnects.,2012 GMC Sierra SLT 2500 HD Crewcab, Duramax, Z-71 …I had a different problem a few years ago. Under hard acceleration my truck would start to pull then fall on its face. I had a bad fuel pressure release valve(not enough fuel psi). ... 07 2500HD Classic Black crewcab\SB Duramax LBZ -Diablosport 120HP-Diamond Eye True downpipe-4" straight exhaust from band clamp back-AEM intake with …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.

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 ...In today’s fast-paced world, time is of the essence. Many individuals are looking for ways to advance their careers without sacrificing their current commitments. This is where acc...Duramax throttle position sensor problems can cause issues with your vehicle’s acceleration and power. If left unresolved, these problems can result in stalling and engine failure. The throttle position sensor (tps) is a crucial component in your vehicle’s engine management system.

A 2011, 2015, and 2017 they are not duallys with no problem like this one. 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 ...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.

2003 Chevrolet 2500HD 6.6L LB7 AFE stage 2 cold air intake, Straignt pipe 4" AFE exhaust, New Bosch injectors, High idle switch, Stanadyne fuel manager w/ 5 micron water seperator filter, CAT 2 micron fuel filter, Alliant lift pump, 285 75 16 Toyo M55's, Lund Sunvisor,In today’s fast-paced world, many individuals are seeking ways to advance their careers and education without sacrificing valuable time. One option that has gained popularity in re...639 posts · Joined 2011. #2 · Dec 29, 2011. Smoke means your either getting to much fuel or not enough air. So with that being said I would start easy and see if you have a boost leak. Be sure you hot a clean air filter, and fuel filter. After that if you don't find anything I would move to the injection area. Maybe have you injectors checked.If you want to avoid fuel dilution problems in the LMM Duramax engine, change oil every 5000 miles or 8000km. run your car 50 to 60 miles strain once a month to turn off impurities and avoid causing fuel dilution. You can also use GF6 oil to fix fuel dilution problems on the LMM Duramax engine. 6. Fuel Injector Issue.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 ...

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 …

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, ...

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.LML Doesn't want to downshift on acceleration. New to me 2015 LML. 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 …Ideal Duramax oil pressure ranges between 20-30 psi at idle & 45-70 psi under load. Common problems include faulty oil pressure sensors, clogged filters, and worn-out oil pumps. Regular checks and timely maintenance can prevent potential engine damage. Table Of Contents.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 ...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...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.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 ... 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. 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.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 exhaust, EFI Live ...5363 posts · Joined 2017. #3 · Dec 9, 2021. Some light reading material for you, too: P2459 Diesel Particulate Filter Regeneration Frequency. "Aut viam inveniam aut faciam". Derek. "Daddy Shark" 2017 GMC Sierra 2500 Denali, Crew Cab Short Box, 122k Miles. "Big Red" 2008 Chevy Silverado 2500HD Ext Cab Long Box, 262k miles (GONE)The problem usually occurs while accelerating from a stop. Yesterday the truck fell on its face, so I pinned it and then three codes appeared. They were P0401 …

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 …

Shudder 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 …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.There are many reasons why a car makes a ticking sound when the accelerator is pushed. One of the most common reasons is the car is low on oil. If this is the problem, the sound wi...Oct 17, 2022 ... Dude, after 10 plus years losing prime and no one had a solution, I sent this video to my mechanic and problem solved. Thanks so much.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-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.3. 384xray Discussion starter. 5 posts · Joined 2021. #1 · Feb 15, 2021. Hello all! I finally got the truck of my dreams having custom ordered, from the factory a 2021 2500 HD, CrewCab, 4x4, Z71. As of today it has 1227 miles on it and from day one there has been issues. 1st issue was pulling to the left which has now been back to the dealer ...

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 …

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.

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 …As a reminder, the 6.6L V8 L5P turbodiesel Duramax diesel engine found under the hood of the 2024 Chevy Silverado HD is rated at 470 horsepower at 2,800 rpm and 975 pound-feet of torque at 1,600 rpm.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.639 posts · Joined 2011. #2 · Dec 29, 2011. Smoke means your either getting to much fuel or not enough air. So with that being said I would start easy and see if you have a boost leak. Be sure you hot a clean air filter, and fuel filter. After that if you don't find anything I would move to the injection area. Maybe have you injectors checked.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.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...This video is an example of how we diagnose diesel drivability issues without changing a single part or guessing what the fault is. In this example the truc...I have 2005 Duramax that has acceleration problem that comes and goes. If I accelerate a little to hard( not wot) it will kind of jerk and then its like you turned the key off. NO code but it WILL NOT go faster than 66 M.P.H. or above 2000 R.P.M.s. I let the air filter get terribly filthy, so obviously I hurt something but don't know what.

Dec 27, 2009. #1. Bad hesitation on acceleration, NOT turbo lag! --------------------------------------------------------------------------------. I have a 2006 LBZ that is starting to give me …The 2.8L Duramax is an inline-four-cylinder configuration with a variable-geometry turbocharger. With 181HP and 369 lb-ft of torque rating, the engine can tow up to 7,700 pounds. Compared to other engines in the Colorado and Canyon lineup, the engine has an impressive fuel economy. The 4WD has an EPA-estimated 20/29 MPG for city …FC5452. 3521 posts · Joined 2011. #4 · Aug 31, 2017 (Edited) Replace the oil pressure sending unit. Part number 12616646 $40. What was said above as well check the pig tail for rubs, switch is located right above and to the left of the oil cooler assembly on the driverside block. Sent from my iPhone using Tapatalk Pro. 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 Instagram:https://instagram. fisher watkinskeurig k supreme reset descale lightsteed todd funeral clovis nmfatal accident on i 10 today tucson 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...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. abco federal credit union routing numberjohn deere trx26 snowblower Most big accelerators tend to dedicate some of their resources to dauntingly hard science problems and the companies taking them on… but for SOSV’s IndieBio, it’s the primary focus...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 ... john deere x758 oil capacity 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 ...The most common cause of acceleration issues lies in the transmission. The transmission converts the mechanical energy of the engine and transports it to the wheels, thus causing t...acceleration problems I have been having similar problems with my 04.5 LLY. I've got an edge set on level 4, 5" exhaust and an intake. It will set the world on fire from 1st-4th but as soon as it hit 5th it falls on its face. The truck won't accelerate even pushing the pedal to 3/4 throttle then it drops to 4th and takes off again.