Ford Mustang Forums banner

1991 5.0 - fires up every time, idles perfectly, but once it’s warm it won’t idle for more than 15 seconds

14K views 213 replies 20 participants last post by  Enjoy_the_Ride 
the very first thing I would do is crawl under the car and make sure both hegos are getting a good 12 volts. Then I would check the ground on the back of the engine (#19). Then check the Salt and Pepper connectors (#14 and #15).



1075221
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top