WHY IS MY CAR RUNNING ROUGH AT IDLE?

1988 BUICK PARK AVENUE
250,012 MILES • 6 CYL • FWD • AUTOMATIC
Avatar
IMA_OLDS_MAN
  • MEMBER
  • 1 POST
i have change wires, plugs, coil pk,and my car still runs rough?
Dec 13, 2007 at 2:45 PM
Advertisement
Avatar
MERLIN2021
  • CERTIFIED EXPERT
  • 17,250 POSTS
Only at idle? if so look at the Idle air control valve, it's bolted to the throttlebody...
Dec 13, 2007 at 2:51 PM
Avatar
STRAILER
  • CERTIFIED EXPERT
  • 53,854 POSTS
Idling rough can be low compression in one or more cylinders where is a guide that will help you fix it, please read the completed guide before beginning.

https://www.2carpros.com/articles/repairing-engine-rough-idle-issues

Please go over this guide and get back to us.


Sep 19, 2024 at 3:15 PM
Advertisement