1994 Buick Century Engine idle surges at high rpm

1994 BUICK CENTURY
13,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
LBRACHT
  • MEMBER
  • 1 POST
Want to know what causes a 1994 buick century to idle at high rpms for no apparent reason whether in park or driving down the road.
May 13, 2010 at 11:54 PM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Throttle position sensor, idle air control valve, vacuum leak... Has the check engine light come on?
Jun 7, 2010 at 8:31 AM
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.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.