Problems with 2008 Chevrolet Impala VEHICLE SPEED CONTROL

The car is not driving smooth. the car is having multiple problems

On interstate driving approx. 60 mph suddenly check engine light came on, and reduce engine speed light on and car dropped drastically down to literally no power. barely had time to get on shoulder without causing accident. went to local mechanic and he said that the issue was the throttle peddle.

Driving on highway @ 60 mph when engine dies with no warning. dash shows following messages: "engine power reduced" "serivce traction control" "service stabilitrax" power steering and power brakes stop working. when car key is turned off and check engine codes are cleared, the car starts up fine and continues to run smoothly. luckily i was able to safely stop the car (albeit on the middle of a major highway), turn it off, clear the codes, and start it back up to get out of the way. same problem happened in january 2018. after this i took it to a chevy dealer. they said car was covered under "warranty" for this problem and they replaced the throttle body. one month later same problem keeps occurring. car runs fine but these messages appear about once a month. typically the engine stays on and is only limited in power. however, occasionally the car will die completely without warning, even on the highway. had car brought to chevy dealer. they said they can not fix the problem unless it is currently occurring with the car. they recommended i take the car ...

While i was driving, the car gave a notice of reduced engine power, then a few miles later, another notice came on service throttle disabling service. and the car shut off! with no warning, and no way to get to safety. if i wasn't in an area that had a shoulder i could get to quickly or if there was any traffic near me, i would be dead! this is incredibly unsafe and is going to get someone killed, if it hasnt already! that has to be some sort of flaw in the programing. if i would have been on the highway, which is where i normally am at that time of day, i would have had no time to react and get to a safe area before the car shut down on me. it also locked up the steering wheel and braking system so i had next to no power. it was incredibly scary. i am just glad that i was driving the car, instead of my elderly mother. she very well may have had a heart attack from the fear. in no way should a car just shut down mid-drive like that! i cant even begin to explain ...

Tl* the contact owns a 2008 chevrolet impala. while driving 60 mph, the reduced engine power and the service stability control indicators illuminated as the vehicle decelerated. staten island buick gmc (1855 hylan blvd, staten island, ny 10305) diagnosed that sensors t2135: (throttle body) and p2138: (accelerator pedal actuator) failed and needed replacement. the vehicle was repaired. the manufacturer offered to assist with the replacement of the throttle body, but not the accelerator pedal. the failure mileage was 59,502.

Tl* the contact called on behalf of the owner of a 2008 chevrolet impala. on several occasions, the vehicle failed to start and the reduced power warning indicator illuminated. additionally, while driving 55 mph, the vehicle stalled. the contact was unable to restart the vehicle. the contact stated that the failure was intermittent. the vehicle was diagnosed by an independent mechanic and fault code: p-2135 was retrieved. the mechanic replaced the ecm, throttle body, accelerator pedal mechanism, and the wiring harness between the ecm and throttle body; however, the failure recurred. the dealer and manufacturer were not contacted. the approximate failure mileage was 80,000.

Tl* the contact owns a 2008 chevrolet impala. while driving 70 mph, the engine power reduced warning indicator illuminated and the vehicle decelerated. the contact continued to depress the accelerator pedal, but the vehicle failed to accelerate above 20 mph. the contact stated that the vehicle was previously diagnosed by an independent mechanic who stated that the accelerator pedal and an unknown sensor failed and needed replacement. the vehicle was repaired. the vehicle was not taken to a dealer for diagnostic testing or repairs. the manufacturer was notified and informed the contact that they would start a case file and send it over to their team. the failure mileage was approximately 138,000.

I was driving on icy and snowy roads and my engine power reduced warning light came on. i drove several miles to my destination. my car sat for 6 hours. i got in to leave and the engine light was on but not the warning. after driving about ten miles my engine power reduced light came on again. this happened multiple times four years ago and it's very frustrating to have it happening again. it seems to occur more frequently when the roadway is wet. after reading online, it seems this is happening to many other chevrolet cars also.

Vehicle hesitates throttle body causes car to jerk cut off not pick up speed always idled up speed sensor reads 107 mph when only going 30mph stalls. almost was rear ended because car shut off in the middle of driving.i have my car regularly serviced and all of a sudden this started happening. my blendoor aculater cause my heat not to sometimes come on and it makes this loud clicking noise. most if no all impala have this problem and gm knows about all the things i told you about yet they dont wanna recall the vehicle

First, the key will not come out of the ignition without pressing the release key switch located under the steering wheel. then the car won't accelerate over 20 mph in d while driving anywhere, it won't go over 40 in d3. not sure why but this is what is happening with the impala.

Tl* the contact owns a 2008 chevrolet impala. while driving 40 mph, the engine reduced power indicator illuminated and the vehicle began to reduce in speed. the vehicle was taken to an independent mechanic who diagnosed that the throttle positioning sensor failed and needed to be replaced. the vehicle was not repaired. the manufacturer was called and informed the contact that if a diagnostic fee was paid, the vehicle could be covered under a technical service bulletin. the contact stated that he did not have money for a diagnostic fee. the failure mileage was approximately 34,000.

Started the car and immediately upon pulling out of parking lot the service traction control error message and reduced engine power messages appeared. this is the 3rd time this has happened on this car. have entered problem reports for the 1st 2 occurrences on this site. replaced accelerator pedal position pedal sensor. none of these 3 occurrences were covered under warranty. it was 14 months since the last occurrence and warranty was for 12 months.

I was driving in traffic around 5:30pm cst on us 59 n and rankin rd tuesday 11/15/16 when my vehicle lost engine power. i was unable to accelerate or steer and the only light that came on in the car was the service tire monitor system. i managed, somehow, to steer the vehicle to the left shoulder of the freeway and put it in park. i turned off the vehicle and when i went start it again, after releasing the key, it made a stuttering to start sound over and over again even though i was no longer touching the key. when i tried to start it again it turn on and then back off and continued to do this at least 3 more times. i eventually had it towed to my home and after reading online today at forums.edmonds.com many people have been having this issue with impala's and suburban's from gm for at least 4 years now, first post is back in 2012. gm needs to put a recall on these vehicles and fix the issue before it more fatalities, as proven in their earlier 2014-2015 recall. they just did a recall about a year ago for impala's ...

Communication between gas petal and throttle body breaks down causing vehicle to display reduced engine power causing vehicle to slow to 20 to 30 mph instantly. happen on highway almost causing accident due to slowdown. should be safety recall before someone or myself gets killed.

Takata recall. it happen to me twice i got two kids the car lost power from 45 to ten. engine light is on. the code thst comes up is p2138 this is not ok needs to get fixed. first time it happen i was on a highway the car behind me almost hit me due to the engine power loss.