1999 Ford Expedition Q&A
1999 Ford Expedition Question: rough idle And missing out while driving
rough idle missing out,stumbling ,hesitating while driving - Visitor
plugs and coils are a good start. labor intensive if you have rear heat Roy - mastertech6371
when you idle the engine at 1500 rpm the idle goes up and down. when you drive at 1500 rpm the engine stumbles and misses, with a dead spot. i have replaced the following- EGR valve,EGR pressure se...