1990 Ford Bronco loping engine

1990 FORD BRONCO
167,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
JGREASER
  • MEMBER
  • 1 POST
i have a 1990 ford bronco 302 V8 it starts fine but when it drops to the low idle after start up it begines loping what can i do to fix it
Oct 12, 2008 at 12:17 PM
Advertisement
Avatar
RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
When was the last tune-up? Check the fuel pressure/idle air control valve/motor, throttle position sensor/MAF/MAP sensor/s-PCV and EGR valves
Oct 12, 2008 at 12:53 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.