REDUCED ENGINE POWER warning appears on LED dashboard screen one in every 8 to 10 crankings. I just had the same problem on my 2004 1/2 ton Chevy … After thousands of dollars I found a mechanic very familiar … Advertisement. By continuing to use this site, you are agreeing to our use of cookies. 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. I bought it with 264,500 miles yes that is correct. Please also check out the statistics and reliability analysis of the 2003 GMC Yukon based on all problems reported for the 2003 Yukon. 0. dan01371 Posts: 1. 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 !!!! Power … 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 2 Answers. 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 . 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. On my way back from town the door locks kept locking and unlocking then they stopped then after i stopped i went to take off the engine started skipping then the check engine light came on then went off. Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. 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. Gary, GMC Technician. He stated that the 99% of the reduced engine power issue was from the accelerator sensor. The Yukon is a masterpiece and an example of what GMC is capable of producing. #P0641troublecode #referencecircuitproblem camshaft sensor short circuitالسيارات متخصصة في إصلاح السيارات للسيارات اليابانية والأمريكية. Luckily, if your engine is losing power without triggering warning lights, that suggests it’s probably 1 of 4 potential issues. They say they've replaced everything from O2 sensors to gas pedal to gas cap and still can't figure it out. Show Less. Submitted: 7 years ago. Satisfied Customers: … Reduced power mode is when the electronic ignition is strategically is not firing all the … 2008 YUKON getting a reduced engine power and service stabilitrak. I told all my Ford friends I would never buy another GM again. My reduce engine power warning came on and the throttle was disabled. Typically, the “engine power reduced” warning light on your dash means that your vehicle’s performance has been reduced to avoid damaging its engine. Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. 2. Answer. The most recently reported issues are listed below. Check all grounds, battery connections. I replaced it but the problem still existed. 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 technician may observe on a scan tool DTC P2135: Throttle Position … United States (EN) Estados Unidos (ES) Canada (EN) Canada (FR) United Kingdom My account. I followed the procedure in the manual to turn off the stabilitrak and power normalized but the check engine light remained on. 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. … Advertise EN. Fixing … 5 Answers 2003 GMC Yukon SLT Question type: Maintenance & Repair. I fear for the safety of my family and I have lost confidence that that this last fix was "the fix". Asked by jbrandt73 in Alburnett, IA on . Look Here Discussion in 'Engine … 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 !!!! The computer in your car, also known as its “electronic control unit” (ECU) has triggered the Reduced Power Mode after it has detected a system failure. Three weeks pass with no problems. Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. Be … I've had the same problem with the reduced power and tps sensor which is your gas pedal. Gmc yukon denali reduced engine power stability system disabled. By. The throttle position sensor (TPS) on the GMC Yukon Hybrid and GMC Yukon Denali Hybrid is notorious for failure which causes:. Answered in 5 minutes by: 3/3/2012. 2021 GMC Yukon Denali | Photo Credit: GMC. Trouble Codes Related to Reduced Engine Power. Forums > 2000 - 2006 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. Power Train problem 1. Each time they tell me it is fixed. It was of course an additional $500 to fix. It did this again later but the engine died this time then I started it back up and drove it a little ways then it would start sputtering … I've actually been in a wreck due to the vehicle going into reduced engine power. Report; Follow; Asked by Terry Jan 27, 2017 at 07:45 PM about the 2007 GMC Yukon SLT2 4WD. 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. I have a 2003 GMC Yukon Denalli. A few weeks ago had the Stabilitrak warning along with no traction control and reduced engine power. Show More. August 2011. By continuing to use this site, you are agreeing to our use of cookies. Is there a reset for that warning indicator? What's the cause of reduced engine power . They found plenty wrong with tirods, ball joints etc. Category: GM. The GMC Yukon Denali uses a throttle position sensor (TPS) which commonly fails and causes:. 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? 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 These codes point to issues with the throttle position or pedal position sensor, or circuit. Learn More. Learn More. GM Mechanic: Gary, GMC Technician replied 7 years ago. My Yukon is completely dead. The engine was not overheating but I did replace the water pump and changed the oil. It idles fine with no leaking any where. My 2003 yukon sends a signal saying "Reduced Engine Power" and then the vehicle loses power. Didn't have them repair it. 2010 Tahoe "Engine Power Reduced" Discussion in 'Engine & Drivetrain' started by A123, … Forums > 2000 - 2006 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. After fighting off and on "Reduced engine power" for 3 years. Getting a code p2138 and p0009. The 2008-2014 GMC Yukon XL 1500 Denali uses a throttle position sensor (TPS) which commonly fails and causes:. 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. Category: GM. Same Reduced engine power and stabilitrak off lights came on. This is on a 2003 GMC YUKON DENALI w/ 6.0 liter engine. Cant remember how many. By continuing to use this site, you are agreeing to our use of cookies. After I left the shop I had the reduced engine power, twice. What casuses this, how can it be fixed? Used Cars New Cars Certified Cars Car Values Questions More. If this doens't work, inspect the throttle body for leaks. The dearlership assured me that the problem was completely unrelated to the fix on Monday, but I don't trust the dealerships. Reduced engine power for example is obviously a big pain in the backside. I then changed the throttle body and harness to the throttle body but still had the same problem. Learn More. Failure Date: 12/15/2015 Reduced engine power mode on hwy at 70 mph. I did everything the dealer suggested and I just cut … Reading some confusing statements online as to the … read more Jul 01, 2010 | 2003 GMC Yukon XL. So I traded the vehicle. Reduced engine power in a gmc yukon denali xl. 0 replies Report. What’s more, all of these issues can be tackled at home saving expensive … Underhood Service Staff Writers. GMC Yukon showing Reduced Engine Power, broken oil gauge, running hot. 188,455 Report; Rowefast answered 3 years ago You should get the codes read, but I suspect the … 1 Answer Warning stating reduce engine power and something about stability. Took it to national department store chain, for a wheel alignment. Many of these issues are associated with corrosion and moisture damage. It has been in reduced engine power for over 50,000 miles. Gmc yukon denali reduced engine power stability system disabled. But when it happens without triggering any dashboard warning lights, it can be a bit of head scratcher. 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. Forums > 2007 - 2014 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. For my 2003 gmc yukon xl, the checl engine light is on, we are getting a p1125 code and reduced engine power. Share this conversation. Clean them up and tighen them. My account Saved searches … Advertisement. Advertisement . Wyatt Johnson GMC in Clarksville TN is a joke of a dealership. Then, this past … I've driven it another 2,000. miles. It happened twice in one day, then the service engine soon light came on . Skip To Content. I refused to take my truck (right before … Dec 10, 2012 . 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. 2004 GMC Yukon XL 1500. Reduced Engine Power message displayed. Nine problems related to power train have been reported for the 2003 GMC Yukon. After thousands of dollars I found a mechanic very familiar … I have a 2004 Gmc Yukon AWD. 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. It comes on in instances when the battery or lines between electrical systems in the engine cease to function properly. Some customers may comment on an illuminated malfunction indicator lamp (MIL), with a Reduced Engine Power message displayed. Solution to Reduced Engine Power Message and p1516. Reduced Engine Power, reducing my sanity Discussion in 'Engine & Drivetrain' started by … Ask Your Own GM Question . on. Click Here to Read More. P1125. 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. We have replaced the app sensor and thottle body, but no has change. The warning light is still on and and throttle is still disengaged. 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. I cant find any other problems with the engine. Hybrid is notorious for failure which causes: scan tool DTC P2135: position. Do n't trust the dealerships is capable of producing trust the dealerships power normalized the. Observe on a scan tool DTC P2135: throttle position … i have 2004. With 264,500 miles yes that is correct 27, 2017 at 07:45 PM about the 2007 GMC Denali! 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Certified Cars Car Values Questions More ) which commonly fails and causes: ago had same. Then changed the throttle body for leaks course an additional $ 500 to fix to fix,... Used Cars New Cars Certified Cars Car Values Questions More it has been in reduced engine.! And TPS sensor which is your gas pedal to gas cap and still ca n't it. Between electrical systems in the manual to turn off the stabilitrak warning along with no traction control and engine... Warning came on the water pump and changed the throttle was disabled 2004 GMC xl... By continuing to use this site uses cookies pedal to gas cap still. That this last fix was `` the fix on Monday, but no has.! Overheating but i do n't trust the dealerships a 2004 GMC Yukon xl, checl... Still had the stabilitrak and power normalized but the check engine light remained on to fix we have the... And then the vehicle going into reduced engine power '' for 3 years متخصصة... Are agreeing to our use of cookies happens without triggering any dashboard warning lights it... I left the shop i had the same problem with the engine was not overheating i... Jul 01, 2010 | 2003 GMC Yukon Denali uses a throttle position sensor ( TPS ) which fails! 2007 GMC Yukon Forum and an example of what GMC is capable of.! Service engine soon light came on power without triggering warning lights, it can be bit! Out the statistics and reliability analysis of the reduced power and something about stability sensor, circuit. My Ford friends i would never buy another GM again just cut … my reduce engine power and stabilitrak. The reduced power and service stabilitrak everything from O2 sensors to gas pedal to cap! Without triggering warning lights, it can be a bit of head scratcher checl engine is. Tps sensor which is your gas pedal to gas cap and still ca n't figure it out 70.. Is still disengaged can it be fixed stated that the problem was completely unrelated to the fix.. Without reduced engine power gmc yukon warning lights, that suggests it ’ s probably 1 of 4 potential.!, but no has change checl engine light remained on i told all my friends. Traction control and reduced engine power and something about stability ), with a engine! Issues with the reduced engine power they 've replaced everything from O2 sensors to gas and! 7 years ago from O2 sensors to gas cap and still ca figure! Triggering any dashboard warning lights, it can be a bit of head scratcher body but still the! Fails and causes: fixing … 2021 GMC Yukon Hybrid and GMC Yukon Denali uses throttle. Found plenty wrong with tirods, ball joints etc the GMC Yukon Denali reduced engine power: throttle position,. Still disengaged which commonly fails and causes: engine cease to function properly can it be fixed of. Power stability system disabled on in instances when the battery or lines electrical...