1993 Ford Bronco idle

1993 FORD BRONCO
200,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
RRK
  • MEMBER
  • 1 POST
when engine is cold idles great but when warms the idle goes from 600 rpm to 2000 and will not drop checked for vac leeks none found just started all at once nothing changed on engine.been reading forms but most were idle drops to low mine goes to high .cap rotor plug and wires all good filters good..
Nov 1, 2010 at 5:23 PM
Advertisement
Avatar
RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Try cleaning out the idle air control and test the MAF and TPS sensors-check if the throttle is sticking
Nov 1, 2010 at 5:34 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.