1987 Chevrolet Caprice idle

1987 CHEVROLET CAPRICE
56,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
Avatar
JOHN232
  • MEMBER
  • 1 POST
I was wondering y my car want idle down I change the egr value in it stills idle high
Oct 28, 2014 at 10:25 AM
Advertisement
Avatar
CARADIODOC
  • ✓Experienced Mechanic
  • 34,366 POSTS
High idle is typically due to a vacuum leak. Start by checking the vacuum hoses for cracks. You can pinch off various hoses too to see if one brings the idle speed down.
Oct 28, 2014 at 12:37 PM
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.