1998 Ford Expedition Expedition

Tiny
JESSIEGIRL08
  • MEMBER
  • 1998 FORD EXPEDITION
  • 4.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 330,000 MILES
When its in park it stays running but when in drive it dies out. It starts right back up but most the time it stalls or acts like its not going to go
Tuesday, September 8th, 2015 AT 2:02 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Check for engine vacuum leaks. The most common one is behind the throttle body. A 90 degree bend in the line dry rots and leaks. Not easy to find if you're not looking for it. If you find there are no leaks, check or replace the idle air control valve (IAC). The IAC is responsible for maintaining the engine's idle speed.
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Tuesday, September 8th, 2015 AT 7:27 PM

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