Duramax acceleration problems.

8. Loss of Power on Acceleration. The most common issues with an LLY Duramax diesel truck are loss of power at low revs under load and lackluster performance. This causes LLY Duramax engines to have issues accelerating, which can be dangerous.

Duramax acceleration problems. Things To Know About Duramax acceleration problems.

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 reproduce the ...Oct 25, 2022 ... Including hauling a truck camper all over the west up and down mountain passes in 90 deg temps without a single issue. Also performs well here ...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 reproduce the ...A day later it was so loud you couldn't ignore it. Starts when you accelerate at lows speeds and by the time you're up to about 45/50mph it quiets down to the point where you only hear it slightly on heavy acceleration. The sound is almost like a roots/twin screw supercharger; like a dry gear turning really fast.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.

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 ...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.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 …

May 20, 2022 · 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.

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.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.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.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.Throttle body issues are the cause of the engine power reduced message around 90% of the time. Electrical issues: Loose wires, clamps, or harnesses can cause electrical shorts or other problems that affect the engine’s performance. Fuel system issues: Problems with the fuel system, such as a clogged fuel filter or a malfunctioning fuel pump ...

Towing 35' gooseneck with deer stands (not heavy) Cleaning exhaust filter message popped up while driving at 75 mph for about 70 miles. Truck went into limp mode almost immediately after message popped up. Drove 25 mph to dealer 60 miles away. They performed a service regen but could not find another 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 ...

Sep 16, 2021 ... 3.0 Duramax Crank but won't start. This happens on Chevy Silverado, GMC Sierra, Chevy Suburban and Chevy Tahoe that has the 3.0 Duramax.Sep 16, 2021 ... 3.0 Duramax Crank but won't start. This happens on Chevy Silverado, GMC Sierra, Chevy Suburban and Chevy Tahoe that has the 3.0 Duramax.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.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 …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 reproduce the ...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 more169 posts · Joined 2014. #13 · Mar 6, 2015 (Edited) Here is some information that will be helpful for your 2003. Check the Resistance values of the three APP Pots. Pins G, D, J are +5 VDC with reference to E, B, A. ( G to E, D to B, J to A) If those are good, check the connector connection to the ECM. Larry.

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 ...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...Are you looking to improve your English skills? Whether you are a beginner or already have some knowledge of the language, Burlington English is here to help you accelerate your En...May 20, 2022 · 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. Balance rates are also back and exactly where prior to this hiccup. 1.Fuel Filter Replaced/Filled with Diesel Kleen. 2. Gonna monitor everything to see if theres an underlying issue but I suspect bad fuel. Michael. 08 LMM. Leveled, Deleted, and Tinted, 5" Flo-Pro SS, EFI and Fass 150 Build. Like.

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 ...Once you’ve identified the problem, it’s usually a straightforward repair job. 08. Fuel Pump Failures. If your engine sputters at high speeds or loses power during acceleration, a failing fuel pump could be your culprit. Fuel pump issues can lead to poor performance and can even leave you stranded on the road.

Oct 25, 2022 ... Including hauling a truck camper all over the west up and down mountain passes in 90 deg temps without a single issue. Also performs well here ...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.Jun 16, 2016 · 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 with 508,000 ... injector noise again. I have a 2003 chev 2500hd duramax with 263000 miles on it. It all started about 50000 miles ago, the injectors started making a tapping sound after another 30000 it was alot louder and it started to smoke. 15000 miles later i had all eight injectors replaced, for the first 2 weeks engine was real quiet, no tapping at all ...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 ... 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.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.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).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.Dec 27, 2009. #1. Bad hesitation on acceleration, NOT turbo lag! --------------------------------------------------------------------------------. I have a 2006 LBZ that is starting to give me …

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.

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.

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.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 ...Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain. Acceleration Problemshaving 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 …And it’s bringing privacy concerns with it. While the coronavirus crisis has been distinctly not great for humans, it’s already been a boon for robots. As humans have stayed home t...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 TPS1 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.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 …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.Nov 24, 2018 · 1. Snapped Crankshaft. Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. Not only does this mean game-over for the engine, but it results in a truck that’s down for weeks (if not months) and a huge chunk of change missing from your wallet. 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

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 …Feb 3, 2022 · What are the most common problems with the L5P Duramax? 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. Aug 1, 2023 · The MAF values on the scanner should read as follows: With the engine idling at a temperature greater than 140°F and the Exhaust Gas Recirculation Valve (EGR) closed, the value of the MAF should be 38-42 g/s. With the EGR commanded on to approximately 40% the MAF should be 18 -22 g/s. Instagram:https://instagram. clt observer obituariesrayus radiology salt lake cityhow do you pronounce trolliflagstaff roads 2009 GMC Sierra 2500 LMM, Cognito UCA, TRUXXX Keys, Bilsteins, Sulastic Shackles, 20x9 BMF S.O.T.A. 305/55R20 Pro Comp Xtreme AT's, Firestone Airbags, HID 6000K Low beams & Fogs, 20" LED Light Bar (IN the Bumper), Banks Dual Exhaust, Edge CTS. knotReally, corneredge and Tex Findlay. 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. fszdorj ceiling fanlyrics to hail to the victors 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 ... little caesars in taylorsville 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.Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain Acceleration Problems ... Acceleration Problems. Jump to Latest Follow ...