chefdave

Hi have set idle to where it should a week later all gone to pot. reset it it again and when i start up to go to work i either have no idle or a racing engine. suggestions. my truck is a 1989 3vze with auto box
thanks
dave

jennygirl

You could try wrapping the idle screw with some yellow gas tape, fixed mine right up. Keeps it seated better and ensures no vacuum leaks.