Duramax acceleration problems.

I dont think a lack of air will limit your RPM. List your year of duramax and mods thats could give us insight. Lack of fuel will cut RPM off usually -head studs and gaskets-66mm-5” straight pipe axle dumped …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.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.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...

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.

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.

One of the most common lly duramax problems is the injector harness rub, which can cause rough idling or even stall the engine. Another frequent issue is the fuel injectors, and a failing ficm can also cause problems. Improper fuel pressure can lead to hard starts, misfires, and decreased fuel economy. Proper diagnosis is crucial to …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 ...Hooked up bluetooth scanner and read codes P128E & P0088 (high fuel rail pressure) reset the codes and took it for a ride. Seemed fine, but when I stood on the gas it wouldn't go over about 2900 RPM then check engine light with reduced power mode, and change fuel filter message. Swapped out the filter and took it for a ride with scantool …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 having problems. Starts good but has no passing power stuck at 65mph. Will work OK for a few days and starts over again.

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.

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 ...

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 pkg.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 ...If the actual drops below the demand, its your fpr. If your truck is surging while in power with a load on it, I would look at a few other things. Injectors, fuel filter, air filter, fuel pressure relief valve (which should throw a code and put u in limp mode), and mmaayybbee a gunked up egr bridge and intake elbo.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.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...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.

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...Aug 9, 2015 ... ... duramax.aspx Duramax Smoking and Hard Start Easy Cheap Fixes. ... Diesel in the Oil! - Injector Return Line Issue - '02 2500HD Duramax.The FPR closes and opens according to the signal and the CP3 pressurises the fuel in it to the rails. If your CP3 is weak you wil usually get the 0093 code while towing or climbing a hill in higher gears. Your rail pressure will drop off the desired a bit and set the code. If the FPR is sticking you will usually have a slight lope at idle or in ...85 posts · Joined 2008. #1 · Jan 12, 2012 (Edited) My 2008 GMC Sierra D/A has started making a noise I never heard before when I'm Accelerating, I just had it in for oil change, fuel filter change, and alignment. This noise had started earlier but now it's more often, I don't think it is the Turbo. My gas mileage has also dropped about 2 ...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.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.

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).

Apr 17, 2006 · 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. 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.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 …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. …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. 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.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.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.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 …

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, then gets fuel for a second and accelerates ...

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.

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.3.0 Duramax common problems Starting problems. This may be the most prevalent issue in these engines. Basically, the engine’s starter motor gets cranking as soon as you try to switch on the engine. However, it keeps on cranking and the engine never really starts. Sometimes, the engine does start when you try to crank it a second time.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.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.It may be possible that the injection pump is failing and is causing the low power or the bog down. There are also some concerns with the fuel feed line from the fuel tank becoming pinched or collapsing and this causes a lack of fuel.These all need to be checked and tested to see if any of these are at fault.AXDX: Get the latest Accelerate Diagnostics stock price and detailed information including AXDX news, historical charts and realtime prices. Indices Commodities Currencies StocksProblem 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.Best way I found to monitor truck is with an Edge Insight CTS. Oil life monitor jumps downward about 11% after every regen. I ignore the OLM. I go with oil analysis results to determine my change intervals and to make sure the is no fuel in oil. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought …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.Learn how to prepare for a WordPress migration and discover how to complete the process manually or with an automated plugin. Trusted by business builders worldwide, the HubSpot Bl...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 ...

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 …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 ...Open the cap at idle, you'll hear the difference in noise. You can also remove the belt and try to duplicate whether it's front engine pulley related. Should be able to tell without driving the truck, as you won't have any steering or brake assist. 🇨🇱 🚆2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN ...Instagram:https://instagram. cvs ess app for androiddellaria danvers masecret military base project zomboidnew york to cape may bus 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) ma lottery scratch codeshobby lobby locations in san antonio 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 and highway ...Apr 17, 2006 · 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. how many gallons in 16x32 pool 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 ...The 07 Duramax Throttle Position Sensor problems can be a headache for truck owners. The symptoms may range from poor acceleration to engine stalling, causing inconvenience and even danger on the road. Being aware of the signs and getting regular maintenance can help prevent these issues from occurring.