iddle problem on 1990 Oldsmobile Cutlass Supreme

my car rev to about 2000 rpm when in park and when i drive and stop at a red light it wants to keep moving what do i need to do to fix this

Asked by for the 1990 Oldsmobile Cutlass Supreme
You should check to see if the throttle cable and throttle body are adjusted properly, check for vacuum leaks and verify the idle valve is working properly.
how do i check the idle valve and throllte body
2 answers 1 comment
Maybe you should press the brakes. sometimes it stops vehicles.