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

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