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1998 Ford Expedition idle problem

Tiny
GOJAMG32
  • MEMBER
  • 1998 FORD EXPEDITION
Engine Performance problem
1998 Ford Expedition V8 Four Wheel Drive Automatic

Engine starts but won't stay idle, I depress gas pedal stay running let go turns off.
Wednesday, January 21st, 2009 AT 9:33 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi:
My first guess would be a throttle position sensor (TPS) or an idle air control valve (IAC). Is there a check engine light coming on for you? You may want to have the computer scanned for codes. Most nationally rcognized parts stores will do it for free. Try that and let me know what you find.

Joe
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Saturday, January 24th, 2009 AT 4:53 PM
Tiny
GOJAMG32
  • MEMBER
  • 2 POSTS
No their is no check engine lamp on. I have no air leaks. I have checked my codes and none show up.
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Saturday, January 24th, 2009 AT 6:02 PM

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