Dt: the consumer experienced unwanted acceleration on 2000 buick century. sporadically, there were super high revs when the vehicle was first started. then the consumer had to stop the car and restart it again in order for the revving to go to a correct idle speed. the car has been to the dealership 4 times over this problem. this did not happen for the first four and half years. the dealer has replaced the throttle position sensor two times and the computer once. the consumer is still having the unwanted acceleration problem. the dealer can't figure out what the problem is. *jb
Whenever starting vehicle and shifting into gear vehicle would jerk forward or backwards suddenly, even with foot on brake. due to this sudden acceleration, vehicle was involved in an accident. *ak one person was injured. *slc
While backing into a parking space and without any indication vehicle accelerated, causing consumer to hit a tree. *ak *jb
Application of brakes resulted in spontaneous racing of engine, both front and rear wheels jumped curb in spite of hard braking. car stopped prior to entering freeway. *ak