Accelerator Pedal Sensor Problems of Chevrolet Tahoe

Tl the contact owns a 2010 Chevrolet Tahoe. While driving approximately 70 mph, the vehicle independently decelerated. The stabilitrak and engine power reduced warning indicators illuminated. A local dealer was not contacted. The vehicle was towed to an independent mechanic where it was diagnosed that the accelerator pedal position sensor needed to be replaced. The vehicle was repaired; however, the failure recurred. The manufacturer was made aware of the failure and did not assist. The failure mileage was approximately 78,573. The VIN was not available.

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My wife was accelerating from our street onto a major highway when the engine nearly shut down. Her speed was reduced to just 5 mph and the dashboard flashed engine power reduced, service stabilitrak, and service traction control. Unfortunately, she knew exactly what this was since this is the third time this has happened in this car in the last 18! we took it to our dealer and they tested the vehicle and diagnosed that the accelerator pedal sensor had failed again! we are extremely uneasy with the car now since each time this has occurred, it has been while one of us was accelerating onto a highway or interstate. On the previous occasion, she had to quickly move away from oncoming traffic. . . With our children in the car. The dealer indicated that they see this problem very often, but not this much in one car. This is obviously a defective part and should be checked into immediately.

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On Tuesday, August 9, 2011, as I moved over to pass a car on the left on a 2-lane highway, the accelerator in my 2010 Chevrolet Tahoe began accelerating at a very fast rate on its own and "stuck" . I hit the brakes several times, but it did not "unstick" and kept accelerating. I am not certain to what exact speed the car reached during this time, but I believe it was in excess of 80 mph. Shifting the car to neutral backed it off. After putting it back in drive and punching the accelerator 3-4 times with my foot, the car "unstuck" and speed reduced; not certain if my action "unstuck" it but at this point the speed reduced. Needless to say, I was extremely scared and it was an extremely unsafe situation. Van horn Chevrolet in Plymouth, wisconsin, confirmed a day later that diagnostics showed a fault code and the sensor was faulty, and the sensor was subsequently replaced. The repair invoice states "replaced accelerator pedal position sensor. ".