General Motors - Sudden Acceleration Problem
2005 Cadillac sedan deville suddenly accelerates when brake touched. I can't get it stopped with braking hard, shift into neutral with engine at 3000rpm's. hitting accelerator then may make it return to low idle, but sometimes need to repeat that several to times get off high rpm's. Very dangerous and frightening when it happens. I've replaced throttle position sensor twice, and still the same problem.