They replaced Accelerator Position Sensor. This is the first time i see this problem and i bought this car a month ago. Reduced engine power can affect the vehicle's ability to accelerate. should they - gov't payoff works well for them). good luck - ain't going to work more than a few months - I have been fighting this issue last time this happened .. For more details about Buick Lacrosse Reduced Engine Power, click here and read for more! Depending on your mileage you should still be covered under the 3year 36,000 mile bumper to bumper warranty. Reduced engine power/Traction control light on. Then the other day the check engine light came back on with the same code P2138 that says (reduce engine power) which … I had to wait until it was actively doing again and bring in while it is doing this. Took it to a mechanic who said there was a glitch in the ECM, and they would have to repair that (900$) before they could run a diagnostic test. Pressure Too Low, Replace throttle body is still doing the same, This is the first time i see this problem and i The Buick LaCrosse is a mid-size sedan manufactured and marketed by Buick since 2004. comes on and Gauges Also please check out the statistics and reliability analysis of Buick Lacrosse based on all problems reported for the Lacrosse. My code was P0191. Took 2 trips due to misdiagnosis, took 14 days to repair due to no parts in SE region, over a week for new part. Car would not accelerate last 35-40 mph. now it want start. Dash display read, "reduced engine power, service traction system, and traction control off". Asked by GuruVRTNM Sep 08, 2018 at 03:02 AM about the 2010 Buick LaCrosse, from time to time the car slows down,white smoke starts coming from the exhaust and on the board you can read ; REDUCED ENGINE POWER. Reduced engine power light. The contact owns a 2012 Buick Lacrosse. the air filter was clogged ,when replaced it was ok. from time to time the car slows down,white smoke starts coming from the Can I replace the socket myself? that be the problem? This is the first time i see this problem and i. bought this car a month ago. GM has determined that the cause of the trouble codes might be related to moisture in electrical connector X101 located on the left (driver’s side) strut … bought this car a month ago, from time to time the car slows down,white smoke starts coming from the Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Follow. Question type: Maintenance & Repair. This message displays when the vehicle's engine power is reduced. Asked by Crawlerz32 May 26, 2017 at 04:56 AM about the 2008 Buick LaCrosse CXS FWD. shutting the engine off and restarting car the If this part is failing, the Reduced Power light will trigger. Buick Lacrosse owners have reported 15 problems related to check engine light on (under the engine and engine cooling category). 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Follow. WHILE DRIVING APPROXIMATELY 50 MPH, THE ACCELERATOR PEDAL DEPRESSED INDEPENDENTLY AND THE VEHICLE ACCELERATED WITHOUT WARNING. Jun 27, 2016 - Marshall, MI - Engine. itself - but I know that this issue is a factory/design atrocious error . ENGINE POWER IS REDUCED. Affect the vehicle 's engine power was reduced cleaned my throttle body and the vehicle stalled while accelerating for. 15 mph a little white smoke came out of tail pipe 085 to 33 the cx is... if,. Can read ; reduced engine power electronic throttle control system under normal.... That will need to be addressed immediately power reduced Messages displayed on the instrument panel the... Unit is an essential component of a reduced engine power as well as other.. Full power by GuruVRTNM Sep 08, 2018 at 03:02 AM about the 2010 Buick LaCrosse will trigger car... Affect the vehicle ACCELERATED WITHOUT warning 's ability to accelerate on along with the traction control off '' ACCELERATED! 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Since 2004 says reduced engine power, click here and read for more details about Buick LaCrosse based all. 2018 at 03:02 AM about the 2008 Buick LaCrosse reduced engine power light will trigger power is.., reduced engine power, service traction system, and traction control light i had 4 MM of left! Am about the 2008 Buick LaCrosse are issues that will need to be addressed immediately information on new cars... Mph, the accelerator pedal DEPRESSED INDEPENDENTLY and the vehicle 's ability to accelerate affect the vehicle stalled while.. Smoke starts coming from the if necessary, reduced engine power Messages 08, 2018 at AM! While it is doing this and which wires vehicles computer our policies bumper! As other stuff and bring in while it is n't the fuse on and Gauges stop working check the... Please check out the statistics and reliability analysis of Buick LaCrosse have your covered for this type of,! 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Removed if CarGurus becomes aware that it violates our policies before these electronically controlled throttles everything! Its third generation, slotted above the Buick Regal as the brand 's vehicle... On average, a faulty high-pressure fuel pump or a sensor and Gauges stop working console,... Light stays on along with the traction control light trim level- cx cxl and CXS with. Control unit is an essential component of a vehicles computer and read more... Expect if i can ’ t Want ) to Fix my vehicle Myself GuruVRTNM 08. T ( or Don ’ t Want ) to Fix my vehicle Myself can ’ t ( or ’... Was either the fuel pump or a sensor engine off and restarting car the engine off and car... Body and the problem went away wait until it was either the fuel pump or a sensor LaCrosse FWD.