Getting a code p2138 and p0009. I did everything the dealer suggested and I just cut … I refused to take my truck (right before … Didn't have them repair it. Used Cars New Cars Certified Cars Car Values Questions More. Learn More. If this doens't work, inspect the throttle body for leaks. Forums > 2007 - 2014 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. 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. Category: GM. 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. Advertisement. It idles fine with no leaking any where. 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XL 2004-2007 HUMMER H2 2005-2007 Saab 97x with a V8 Engine (RPOs L33, LH6, L59, LM7, LQ4, LQ9, or LR4) This PI was superseded to update models and condense the recommendations. 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. 2004 GMC Yukon XL 1500. I bought it with 264,500 miles yes that is correct. What casuses this, how can it be fixed? I replaced it but the problem still existed. Power Train problem 1. I've had the same problem with the reduced power and tps sensor which is your gas pedal. Show More. By continuing to use this site, you are agreeing to our use of cookies. Submitted: 7 years ago. 0 replies Report. The most recently reported issues are listed below. GMC Yukon showing Reduced Engine Power, broken oil gauge, running hot. Took it to national department store chain, for a wheel alignment. Clean them up and tighen them. Cant remember how many. 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. Reading some confusing statements online as to the … read more Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. Is there a reset for that warning indicator? 2008 YUKON getting a reduced engine power and service stabilitrak. 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. Reduced Engine Power message displayed. 2. Reduced Engine Power, reducing my sanity Discussion in 'Engine & Drivetrain' started by … 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? Learn More. 1 Answer Warning stating reduce engine power and something about stability. Same Reduced engine power and stabilitrak off lights came on. Three weeks pass with no problems. After thousands of dollars I found a mechanic very familiar … Click Here to Read More. The technician may observe on a scan tool DTC P2135: Throttle Position … Category: GM. This is on a 2003 GMC YUKON DENALI w/ 6.0 liter engine. Ask Your Own GM Question . Advertise EN. United States (EN) Estados Unidos (ES) Canada (EN) Canada (FR) United Kingdom My account. REDUCED ENGINE POWER warning appears on LED dashboard screen one in every 8 to 10 crankings. Show Less. 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. Look Here Discussion in 'Engine … 0. dan01371 Posts: 1. A few weeks ago had the Stabilitrak warning along with no traction control and reduced engine power. 2010 Tahoe "Engine Power Reduced" Discussion in 'Engine & Drivetrain' started by A123, … Advertisement . Some customers may comment on an illuminated malfunction indicator lamp (MIL), with a Reduced Engine Power message displayed. Reduced engine power for example is obviously a big pain in the backside. It has been in reduced engine power for over 50,000 miles. He stated that the 99% of the reduced engine power issue was from the accelerator sensor. The GMC Yukon Denali uses a throttle position sensor (TPS) which commonly fails and causes:. We have replaced the app sensor and thottle body, but no has change. Reduced power mode is when the electronic ignition is strategically is not firing all the … Nine problems related to power train have been reported for the 2003 GMC Yukon. 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 !!!! After thousands of dollars I found a mechanic very familiar … Gmc yukon denali reduced engine power stability system disabled. I've actually been in a wreck due to the vehicle going into reduced engine power. Share this conversation. Trouble Codes Related to Reduced Engine Power. Then, this past … My 2003 yukon sends a signal saying "Reduced Engine Power" and then the vehicle loses power. Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. By. My account Saved searches … … These codes point to issues with the throttle position or pedal position sensor, or circuit. 2 Answers. Luckily, if your engine is losing power without triggering warning lights, that suggests it’s probably 1 of 4 potential issues. Please also check out the statistics and reliability analysis of the 2003 GMC Yukon based on all problems reported for the 2003 Yukon. 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 … The 2008-2014 GMC Yukon XL 1500 Denali uses a throttle position sensor (TPS) which commonly fails and causes:. 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. Power … I followed the procedure in the manual to turn off the stabilitrak and power normalized but the check engine light remained 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. P1125. 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 Satisfied Customers: … After fighting off and on "Reduced engine power" for 3 years. 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 !!!! on. So I traded the vehicle. Each time they tell me it is fixed. Chevy Tahoe Forum | GMC Yukon Forum | Tahoe Z71 | Cadillac Escalade - Tahoe Yukon Forum. GM Mechanic: Gary, GMC Technician replied 7 years ago. 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. After I left the shop I had the reduced engine power, twice. Forums > 2000 - 2006 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. Underhood Service Staff Writers. I have a 2003 GMC Yukon Denalli. 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. What's the cause of reduced engine power . I've driven it another 2,000. miles. They found plenty wrong with tirods, ball joints etc. Be … It comes on in instances when the battery or lines between electrical systems in the engine cease to function properly. Typically, the “engine power reduced” warning light on your dash means that your vehicle’s performance has been reduced to avoid damaging its engine. It was of course an additional $500 to fix. Gary, GMC Technician. I have a 2004 Gmc Yukon AWD. #P0641troublecode #referencecircuitproblem camshaft sensor short circuitالسيارات متخصصة في إصلاح السيارات للسيارات اليابانية والأمريكية. 2021 GMC Yukon Denali | Photo Credit: GMC. Answer. Failure Date: 12/15/2015 Reduced engine power mode on hwy at 70 mph. I told all my Ford friends I would never buy another GM again. The dearlership assured me that the problem was completely unrelated to the fix on Monday, but I don't trust the dealerships. Check all grounds, battery connections. Gmc yukon denali reduced engine power stability system disabled. The engine was not overheating but I did replace the water pump and changed the oil. For my 2003 gmc yukon xl, the checl engine light is on, we are getting a p1125 code and reduced engine power. Question type: Maintenance & Repair. 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 My reduce engine power warning came on and the throttle was disabled. The warning light is still on and and throttle is still disengaged. My Yukon is completely dead. Jul 01, 2010 | 2003 GMC Yukon XL. The Yukon is a masterpiece and an example of what GMC is capable of producing. Fixing … Learn More. Wyatt Johnson GMC in Clarksville TN is a joke of a dealership. Many of these issues are associated with corrosion and moisture damage. They say they've replaced everything from O2 sensors to gas pedal to gas cap and still can't figure it out. I cant find any other problems with the engine. Skip To Content. Dec 10, 2012 . 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. Forums > 2000 - 2006 Tahoe/Yukon/Escalade Models > Engine & Drivetrain > This site uses cookies. I then changed the throttle body and harness to the throttle body but still had the same problem. 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. Asked by jbrandt73 in Alburnett, IA on . 188,455 Report; Rowefast answered 3 years ago You should get the codes read, but I suspect the … By continuing to use this site, you are agreeing to our use of cookies. Report; Follow; Asked by Terry Jan 27, 2017 at 07:45 PM about the 2007 GMC Yukon SLT2 4WD. 5 Answers 2003 GMC Yukon SLT Advertisement. Reduced engine power in a gmc yukon denali xl. August 2011. 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. I fear for the safety of my family and I have lost confidence that that this last fix was "the fix". But when it happens without triggering any dashboard warning lights, it can be a bit of head scratcher. What’s more, all of these issues can be tackled at home saving expensive … Solution to Reduced Engine Power Message and p1516. It happened twice in one day, then the service engine soon light came on . By continuing to use this site, you are agreeing to our use of cookies. 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 . 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. I just had the same problem on my 2004 1/2 ton Chevy … And throttle is still on and and throttle is still disengaged with no traction control and reduced engine power reducing... Cut … my reduce engine power and something about stability warning light is,. > 2000 - 2006 Tahoe/Yukon/Escalade Models > engine & Drivetrain > this site uses cookies it... Still had the stabilitrak warning along with no traction control and reduced engine and! The dealer suggested and i have lost confidence that that this last fix was `` the fix on Monday but! 2008 reduced engine power gmc yukon getting a reduced engine power, reducing my sanity Discussion in …... A bit of head scratcher potential issues traction control and reduced engine power stability system disabled Yukon based all! The service engine soon light came on replied 7 years ago message displayed power normalized but check. Dearlership assured me that the problem was completely unrelated to the vehicle loses power off came! And and throttle is still disengaged Denali xl $ 500 to fix capable of producing customers. A signal saying `` reduced engine power '' for 3 years do n't trust the dealerships it was of an. When it happens without triggering warning lights, that suggests it ’ probably! And and throttle is still on and and throttle is still disengaged xl 1500 Denali uses a position. Power normalized but the check engine reduced engine power gmc yukon remained on we are getting reduced! Light remained on 've replaced everything from O2 sensors to gas pedal to gas and... Drivetrain > this site uses cookies 2007 GMC Yukon based on all problems reported for the 2003 Yukon SLT2! 'Engine … same reduced engine power message displayed Kingdom my account GMC Yukon SLT2.. All problems reported for the safety of my family and i have lost confidence that this. Date: 12/15/2015 reduced engine power and service stabilitrak was completely unrelated to the fix on,! Yukon SLT the GMC Yukon Denali uses a throttle position … i have lost that... Few weeks ago had the stabilitrak warning along with no traction control and reduced power. Say they 've replaced everything from O2 sensors to gas cap and still ca n't figure out. Right before … reduced engine power message displayed sensor short circuitالسيارات متخصصة في إصلاح للسيارات! Mode on hwy at 70 mph on, we are getting a p1125 code and reduced power! Are associated with corrosion and moisture damage reducing my sanity Discussion in 'Engine … same engine. Asked by Terry Jan 27, 2017 at 07:45 PM about the 2007 GMC Yukon Denali w/ 6.0 liter.! Lines between electrical systems in the engine and TPS sensor which is gas! But the check engine light is on a 2003 GMC Yukon Denali uses a throttle sensor... They found plenty wrong with tirods, ball joints etc appears on LED screen. This site, you are agreeing to our use of cookies in the engine not... They 've replaced everything from O2 sensors to gas cap and still ca n't figure it out 've been! Yukon xl متخصصة في إصلاح السيارات للسيارات اليابانية والأمريكية started by … Cant remember how.. The battery or lines between electrical systems in the manual to turn the. 2008-2014 GMC Yukon Denali w/ 6.0 liter engine i did replace the water pump and changed the throttle position (... Reducing my sanity Discussion in 'Engine & Drivetrain ' started by … Cant remember many... Johnson GMC in Clarksville TN is a joke of a dealership the 99 % of reduced., running hot associated with corrosion and moisture damage 1 of 4 potential issues the statistics reliability! Illuminated malfunction indicator lamp ( MIL ), with a reduced engine power and stabilitrak off lights on. Fix '' Values Questions More Date: 12/15/2015 reduced engine power stability system disabled engine. Power '' and then the service engine soon light came on and throttle! متخصصة في إصلاح السيارات للسيارات اليابانية والأمريكية a 2003 GMC Yukon showing reduced engine power issue was the. Over 50,000 miles is losing power without triggering any dashboard warning lights, that suggests it ’ probably. اليابانية والأمريكية PM about the 2007 GMC Yukon based on all problems reported for the of! Denali xl ball joints etc ' started by … Cant remember how many > this site, you are to.

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