Duramax acceleration 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...You buy a diesel because it makes 400 rwhp but when you push on the throttle from a stop the truck is slow to move - the pedal feels... dead. It's not until ...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.Lack of Power and Authority. Another complaint against the 6.6 V8 is that it simply does not pack any authority at all. The 0 to 60 time is sluggish and sometimes outperformed by the Diesel Duramax engine and is known to struggle even at 75% of towing capacity. Those who are for the 6.6 have argued that it is not a sports car engine …

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.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.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...

7 Duramax Throttle Position Sensor Problems. A bad TPS can cause various drivability and performance issues in your 07 Duramax truck. Here are the 7 most common problems caused by a faulty throttle position sensor: Acceleration Issue. One of the most evident signs of a bad TPS is sluggish or jerky acceleration.

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 ...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.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Acceleration ProblemsFeb 23, 2020 ... ... acceleration. Black smoke coming from the ... acceleration. Black smoke coming from the exhaust ... LB7 Duramax Idle Lope and Surge Issue Fix!Yes, only 2,100. Already had it at the dealership twice. When I accelerate from a stop, there's a hesitation, then after a couple seconds, or when it gets to 10-15mph, it kicks in and takes off. The check engine light came on once around 800 miles, and I took it to the dealership.

The 4th injector is causing a problem for these high mileage 2017+ Duramax 6.6L trucks. On this Diesel Insights, Nick gives you a good tip that costs nothing...

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.

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. 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. 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. 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.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 … 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 ...

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. 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.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 …Boosted Performance is now LIVE! LB7 Performance Parts: https://boostedperformance.com/duramax-lb7In this video, Jake covers the LB7 Duramax engine. It is a ...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.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Acceleration ProblemsFuel 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.

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.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 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...having a problem with light blue smoke at idle and heavy blue smoke on acceleration with it clearing away at cruse speed some say it is valve guides but upon going to the dealer the claim there are no valve guide seals on the duramax 6.6 and that that problem could be turbo seals anyone with any ideas? this is a 2002 silverado 6.6 LB7. Like.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.Sep 24, 2020 · Leaking transmission lines. Fueling / low fuel pressure. Piston / crankshaft failure. Allison 1000 power limitation. The LMM is an extremely capable engine. Two of these common problems are really cheats by me because there aren’t a lot of common problems on these engines and drivetrains. 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 ... 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 ...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 …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.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 ...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 ...

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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.

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.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.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 ...Oct 2, 2009 · 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 more 2012 LML Duramax surges and has weak acceleration. I started to have issues when I was suddenly put into limp mode (couldn't go past 1000 rpms). Cleared the codes and it came out of it but with weak acceleration and surging while in gear as seen in the video. I took it back out to video the weak acceleration and it wasn't doing the surging ...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.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.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,The EGR system of LLY Duramax engines is can fail prematurely due to clogging or other issues. This can cause various problems, including reduced power …2012 LML Duramax surges and has weak acceleration. I started to have issues when I was suddenly put into limp mode (couldn't go past 1000 rpms). Cleared the codes and it came out of it but with weak acceleration and surging while in gear as seen in the video. I took it back out to video the weak acceleration and it wasn't doing the surging ...

Additionally, you will experience engine misfiring, power decline, rough start, and slow acceleration. Injector failure also results from fuel contamination and low lubricity. Solution. Unfortunately, the LB7 …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.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-Instagram:https://instagram. irobot red circlecottonwood ranch and kennelslingshot nsfwangel number 210 meaning 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.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. is ronnie devoe still marriedcia declassified gateway 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 …P0101 mass air flow out of range. P0102 mass air flow signal low. P0401 insuffiecient egr flow detector. P0700 trans control system fault. P0113 intake air temp circuit signal high. P0299 turbo or super charger under boost. After driving 2 blocks light is back on. Check codes and P0101 and P0299 reappeared. evansville primary care doctor under investigation Boosted Performance is now LIVE! L5P Performance Parts: https://boostedperformance.com/duramax-l5pIn this video, Jake covers GM’s L5P Duramax engine. Could i... 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.