>the idle jumped to3000 rpms and stayed there for the duration of the trip. Sticking throttle plate in throttle body. It can get pretty grimy in there. I had the same problem. Throttle body has to be removed to get it cleaned out properly. SJ 85 Dodge PU, D-250, 318, auto 85 Audi 4k - - sold but still on the road 88 Audi 5kq 90 Audi 100q