Duramax acceleration problems.

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 ...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...The 6.2 easily beats the Duramax in acceleration thanks to its big horsepower advantage. But when it comes to towing, GM increased the towing capacity of the 3.0 Duramax for 2022 and it now has the same 13,300 lb maximum towing capacity as the 6.2 V8. Where the Duramax gets a significant edge is in fuel economy.6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Top Contributors this Month View All

14 posts · Joined 2015. #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 …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.Loaded weight for the first 1/2 of trip was 25,650 lbs for truck and trailer, empty weight was 14,850 lbs, I played around with speed coming home. Loaded at 60 mph I got about 11.5 mpg empty at 70 I got 8.9 mpg !!!! 2011 GMC Sierra 2500 HD 2500 4X4 Duramax Traded 162,000 miles!! 2019 GMC Sierra 3500 HD CC 4X4 Duramax SRW …

Low rail pressure is one of the most common cause of a limp mode in the 2001 – 2010 6.6 Duramax. DTC codes P0087, P0093 or P1093 may set due to low rail pressure. Low rail pressure could be caused by a restricted fuel filter, air in the fuel, a bad pressure relief valve, excessive return fuel from the injectors or a worn CP3 pump.

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 ...GM 6.6-Liter Duramax LML: CP4.2 … the Weakest Link. GM says the change from the CP3 pump used in the earlier models allows the LML to run on ASTM grade B20 biodiesel while ensuring more precise ...GM 6.6-Liter Duramax LML: CP4.2 … the Weakest Link. GM says the change from the CP3 pump used in the earlier models allows the LML to run on ASTM grade …Dec 27, 2009. #1. Bad hesitation on acceleration, NOT turbo lag! --------------------------------------------------------------------------------. I have a 2006 LBZ that is starting to give me …

Jun 4, 2023 · 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.

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.

Are you looking to advance your career in the ever-growing field of technology? Look no further than online computer coding courses. In today’s digital world, coding skills are in ...Dec 9, 2006 · 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.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 ...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.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.

There are 07 most common signs of bad throttle position sensor. Acceleration issues like hesitant to accelerate, accelerate itself, lack of acceleration power. Check engine warning light pops up on the dashboard. Fuel efficiency is low or high than standard. Throttle valve of the engine misleads.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 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 …Users complain about overheating engines, injector issues, oil-pump belt problems, crank start issues, and failed high-pressure pumps while driving with the 3.0 …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.Jan 12, 2012 · 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 ...

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 ...

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.TikTok have announced that they are now accepting applications for the third round of their Support Black Businesses accelerator program. TikTok has announced that they are now acc...TikTok have announced that they are now accepting applications for the third round of their Support Black Businesses accelerator program. TikTok has announced that they are now acc...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. 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 …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 ...I 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 ...Mar 6, 2015 · 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. Dec 26, 2022 · 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...

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.

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.

The 3.0-liter Duramax diesel made 277 horsepower and 460 lb-ft of torque; 95 percent of peak torque happened at 1,250 rpm. The official EPA fuel economy ratings were 33/23/27 mph highway/city ...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 addressing ...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 ... 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)Chegg Inc (NYSE:CHGG) has entered an accelerated share repurchase agreement (ASR) to repurchase $150 million of its common stock. ... Indices Commodities Currencies ...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.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).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.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.07 2500HD Classic Black crewcab\SB Duramax LBZ -Diablosport 120HP-Diamond Eye True downpipe-4" straight exhaust from band clamp back-AEM intake with AFE filter and outerwear-PPE EGR Blocker Plate-PPE fuel plug-Edge Insight W\EGT-BD Diesel manifold-Intake resonator bypassed-RCD 6" front, 2" rear blocks, Low profile bumpstops for lower arms.

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...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ...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. 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.Instagram:https://instagram. 2500 grand avenuemusic sheets for robloxkidsongs megan miyahirapower outage harker heights 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 ...See full list on dieselpowerproducts.com monticello salon and spaq31 bus to jamaica 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. georgia state university brightspace 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.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 …