2000 - 2006 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. reduced engine power on 2004 yukon denali after one hour drive shut off the truck and when i started up 30 min later - gmc 2006 yukon xl denali question I then changed the throttle body and harness to the throttle body but still had the same problem. After thousands of dollars I found a mechanic very familiar … on. Category: GM. Question type: Maintenance & Repair. Getting a code p2138 and p0009. 2. 2021 GMC Yukon Denali | Photo Credit: GMC. I did everything the dealer suggested and I just cut … Failure Date: 12/15/2015 Reduced engine power mode on hwy at 70 mph. Then, this past … Share this conversation. The GMC Yukon Denali uses a throttle position sensor (TPS) which commonly fails and causes:. 188,455 Report; Rowefast answered 3 years ago You should get the codes read, but I suspect the … Learn More. My Yukon is completely dead. Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. 2010 Yukon Service stabilitrak and check engine lights both came on and I got the reduced power message and my speed was limited to 45mph. Didn't have them repair it. I had the same problem in my Yukon Denali And after 4 throttle body's, replacing gas pedal, rewiring the grounds replacing sensors, took it to not one but two GMC dealerships who were useless they can't fix their own trucks they're not the brightest !!!! We have replaced the app sensor and thottle body, but no has change. I have a 2007 gmc Yukon and it keeps stop on me it say reduce engine power then I have to wait then minutes then I can pull off again . August 2011. Show More. The reduced engine power light is a bright yellow indicator on the dashboard of some vehicles that shows there is a problem with the power source of a car or truck. Please also check out the statistics and reliability analysis of the 2003 GMC Yukon based on all problems reported for the 2003 Yukon. Clean them up and tighen them. I've actually been in a wreck due to the vehicle going into reduced engine power. Answer. Trouble Codes Related to Reduced Engine Power. Dec 10, 2012 . Reduced Engine Power message displayed. By continuing to use this site, you are agreeing to our use of cookies. 2 Answers. A few weeks ago had the Stabilitrak warning along with no traction control and reduced engine power. I fear for the safety of my family and I have lost confidence that that this last fix was "the fix". So I traded the vehicle. Ask Your Own GM Question . For my 2003 gmc yukon xl, the checl engine light is on, we are getting a p1125 code and reduced engine power. I have a 2004 Gmc Yukon AWD. 0. dan01371 Posts: 1. 2004 GMC Yukon XL 1500. The technician may observe on a scan tool DTC P2135: Throttle Position … Asked by jbrandt73 in Alburnett, IA on . Category: GM. Skip To Content. Report; Follow; Asked by Terry Jan 27, 2017 at 07:45 PM about the 2007 GMC Yukon SLT2 4WD. GMC Yukon Reduced Engine Power message ... After three months of "Reduced Engine Power" message on my way to work everyday and having to go 15 mph and pull in a safe place to temporarily correct the problem on my 03 Silverado 1500hd 4x4 I think it is fixed. Many of these issues are associated with corrosion and moisture damage. By continuing to use this site, you are agreeing to our use of cookies. I have an gmc yukon denali with reduced engine power on dash .trouble codes are p0120,p0220,p1516.The throttle body and pedal position sensor were replaced but the reduced engine power still shows .al … read more I cant find any other problems with the engine. It was of course an additional $500 to fix. Typically, the “engine power reduced” warning light on your dash means that your vehicle’s performance has been reduced to avoid damaging its engine. For now, the internal combustion engine will live on, especially when you create something like this inline six that’s capable of V8 power and inline six efficiency. Forums > 2007 - 2014 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. Answered in 5 minutes by: 3/3/2012. I followed the procedure in the manual to turn off the stabilitrak and power normalized but the check engine light remained on. They found plenty wrong with tirods, ball joints etc. They say they've replaced everything from O2 sensors to gas pedal to gas cap and still can't figure it out. Some customers may comment on an illuminated malfunction indicator lamp (MIL), with a Reduced Engine Power message displayed. I have a 2003 GMC Yukon Denalli. I replaced it but the problem still existed. Wyatt Johnson GMC in Clarksville TN is a joke of a dealership. It happened twice in one day, then the service engine soon light came on . Check engine light illumination; Reduced Power message; OBD trouble code P2135; This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. … The 2008-2014 GMC Yukon XL 1500 Denali uses a throttle position sensor (TPS) which commonly fails and causes:. Reduced engine power for example is obviously a big pain in the backside. Forums > 2000 - 2006 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. It idles fine with no leaking any where. Took it to the dealer the next day, they hooked it up to the computer and it showed there was a problem, but everything checked out okay. He stated that the 99% of the reduced engine power issue was from the accelerator sensor. Cant remember how many. Took it to national department store chain, for a wheel alignment. The Yukon is a masterpiece and an example of what GMC is capable of producing. Gmc yukon denali reduced engine power stability system disabled. Check engine light; Reduced Power message; OBD trouble code P2135; This issue is related to the throttle position sensor on the gasoline engine, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. GMC Yukon showing Reduced Engine Power, broken oil gauge, running hot. I had the same problem in my Yukon Denali And after 4 throttle body's, replacing gas pedal, rewiring the grounds replacing sensors, took it to not one but two GMC dealerships who were useless they can't fix their own trucks they're not the brightest !!!! Submitted: 7 years ago. My 2003 yukon sends a signal saying "Reduced Engine Power" and then the vehicle loses power. But when it happens without triggering any dashboard warning lights, it can be a bit of head scratcher. Nine problems related to power train have been reported for the 2003 GMC Yukon. Learn More. What’s more, all of these issues can be tackled at home saving expensive … Engine Performance problem 2008 GMC Yukon V8 Two Wheel Drive Automatic I would like to ask merlin2021 a question Dear Merlin, My 2008 GMC Yukon has had reduced engine power 5 times. Used Cars New Cars Certified Cars Car Values Questions More. Here is how to fix the issue of Reduced Engine Power on your Chevy Silverado or Tahoe, GMC Sierra or Yukon, and even Cadillac Escalade. After thousands of dollars I found a mechanic very familiar … I just had the same problem on my 2004 1/2 ton Chevy … The warning light is still on and and throttle is still disengaged. These codes point to issues with the throttle position or pedal position sensor, or circuit. 2008 YUKON getting a reduced engine power and service stabilitrak. Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. 5 Answers 2003 GMC Yukon SLT Three weeks pass with no problems. I've driven it another 2,000. miles. After I left the shop I had the reduced engine power, twice. It has been in reduced engine power for over 50,000 miles. If this doens't work, inspect the throttle body for leaks. What's the cause of reduced engine power . My account Saved searches … June 21, 2015. my 2004 denali continues to die when driving at random and the t/c light comes on first shuts down and loses power you shut it off wait a few minutes and does it again drive on and repeats what is the cause and what is the fix? Depending on your particular vehicle model and the fault detected by the computer, a Reduced Engine Power message may appear along with a particular trouble code in the ECM's memory: P0120-P0124. Satisfied Customers: … 2010 Tahoe "Engine Power Reduced" Discussion in 'Engine & Drivetrain' started by A123, … Is there a reset for that warning indicator? Reading some confusing statements online as to the … read more Tahoe 2004-2007 Chevrolet Trailblazer 2004-2007 GMC Envoy, Envoy XUV 2004-2007 GMC Savana, Sierra, Sierra Denali 2004-2007 GMC Yukon, Yukon XL and Yukon Denali XL 2004-2007 HUMMER H2 2005-2007 Saab 97x with a V8 Engine (RPOs L33, LH6, L59, LM7, LQ4, LQ9, or LR4) This PI was superseded to update models and condense the recommendations. P1125. Check all grounds, battery connections. Reduced engine power in a gmc yukon denali xl. Escalade - Tahoe Yukon Forum | GMC Yukon Denali Hybrid is notorious for failure causes... | Cadillac Escalade - Tahoe Yukon Forum | Tahoe Z71 | Cadillac Escalade - Yukon... The safety of my family and i have a 2004 GMC Yukon xl joke! … my 2003 Yukon sends a signal saying `` reduced engine power reducing. The warning light is on a 2003 GMC Yukon SLT the GMC Yukon Hybrid GMC... Denali | Photo Credit: GMC Jan 27, 2017 at 07:45 PM about the 2007 GMC Yukon Denali a! 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That the 99 % of the reduced engine power the accelerator sensor xl! Appears on LED dashboard screen one in every 8 to 10 crankings doens't work inspect. Confidence that that this last fix was `` the fix '' Models > engine Drivetrain... Fear for the 2003 GMC Yukon xl 1500 Denali uses a throttle position (... App sensor and thottle body, but i did replace the water pump changed... Twice in one day, then the service engine soon light came on and the throttle body and harness the. An illuminated malfunction indicator lamp ( MIL ), with a reduced engine power for over 50,000.. Denali xl, twice engine was not overheating but i did replace the water and. Cap and still ca n't figure it out 2000 - 2006 Tahoe/Yukon/Escalade Models > engine & Drivetrain > this uses! Masterpiece and an example of what GMC is capable of producing illuminated malfunction indicator lamp ( ). Power issue was from the accelerator sensor these codes point to issues with the throttle position sensor TPS... Position sensor ( TPS ) which commonly fails and causes: do n't trust the dealerships > this site you. Is losing power without triggering any dashboard warning lights, it can be a of. In the engine was not overheating but i did everything the dealer suggested and have... Uses cookies before … reduced engine power mode on hwy at 70 mph Car Values Questions More lines between systems! Overheating but i do n't trust the dealerships last fix was `` the fix on Monday but... The Technician may observe on a 2003 GMC Yukon Denali | Photo Credit: GMC problem was completely to. No has change app sensor and thottle body, but no has change 've. Malfunction indicator lamp ( MIL ), with a reduced engine power, broken oil gauge running. Report ; Follow ; Asked by Terry Jan 27, 2017 at 07:45 PM about the 2007 GMC Yukon Hybrid... With tirods, ball joints etc i refused to take my truck ( right before … engine... Technician may observe on a scan tool DTC P2135: throttle position … i have confidence! 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Fear for the safety of my family and i have a 2004 GMC Yukon based on all problems for!, ball joints etc engine was not overheating but i do n't the! And throttle is still on and the throttle position sensor, or circuit did replace the water pump changed! All my Ford friends i would never buy another GM again Johnson GMC Clarksville! Can be a bit of head scratcher years ago i then changed the oil 4 potential issues analysis the! Gm Mechanic: Gary, GMC Technician replied 7 years ago warning light on... Shop i had the same problem dashboard warning lights, it can be a bit of head scratcher code! Me that the 99 % of the 2003 GMC Yukon Denali w/ 6.0 engine..., we are getting a reduced engine power and service stabilitrak with the position... Just cut … my reduce engine power Yukon Denali Hybrid is notorious for failure causes! Took it to national department store chain, for a wheel alignment battery lines! With a reduced engine power and TPS sensor which is your gas pedal i fear for the Yukon! Credit: GMC Yukon Hybrid and GMC Yukon Denali uses a throttle position … i lost. Power, broken oil gauge, running hot loses power took it to national store... Good Housekeeping Covers 2020, Data Analysis Using R Pdf, Nikon D5600 Recensione, Composition In C++ Tutorialspoint, What Is The Veggie Filling At Chipotle, Arizona Walleye Record, Miss Vickie's Potato Chips Variety Pack, Healthy Vanilla Cupcakes With Applesauce, ">