well... let me just comment that i had an Audi 5000s in the 80's and the accelerator did in fact stick on while i was going down an on ramp.. scared the pee out of me.
i was able to throw it in neutral before too long - and about burned the engine out at max redline.
(later in that same cars life the steering wheel came off while i was driving... survived that one too - and still later - the entire dash caught fire due to shorts in the wiring... finally sold it - probably should have sued.)
so anyhow - throttles can stick open, and it may not be the drivers fault.
