2002 Pontiac Grand Prix Idle

86,000 MILES • V8 • FWD • AUTOMATIC
Avatar
AMYSGRANDPRIX
  • MEMBER
  • 1 POST
Idles very high esp in reverse. Recently had catalytic converter replaced by dealer along with serpentine belt. Had oil changed, transmission checked out and fluids replaced.
Oct 16, 2008 at 3:44 AM
Avatar
RHALL77
  • ✓Experienced Mechanic
  • 3,361 POSTS
sounds like they have disconnected something under the hood like a vacuum line or a electrical connector
Oct 16, 2008 at 3:49 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle