Engine surging

2000 FORD CONTOUR
170,000 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
RANDYCARROLL
  • MEMBER
  • 1 POST
while in drive engine revs up, while stopped with foot on brake engine revs high. while in park no issues with idle.
Oct 11, 2021 at 1:14 AM
Advertisement
Avatar
ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good morning,

This sounds like a throttle body issue not regulating the idle as it was designed to do.

https://www.2carpros.com/articles/engine-idles-too-high

You can try cleaning the throttle body to see if it helps but if not, then it will have to be replaced. I attached the instructions for you below.

https://www.2carpros.com/articles/throttle-actuator-service

Roy
Oct 11, 2021 at 1:39 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.