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2005 Ford Expedition emission light

Tiny
JIM M 1962
  • MEMBER
  • 2005 FORD EXPEDITION
  • V8
  • 4WD
  • AUTOMATIC
  • 43,000 MILES
The emission light on my 2005 espedition came on and it started to idle rough. When put in park it will only rev to just under 3000 rpms then cut in and out. Yesterday I just got back from a 400 mile trip and it ran great. Also the Ac seems to cut in and out. I just got the AC compressor replaced 2 weeks ago. Could it just be a bed tank of gas?
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Thursday, August 6th, 2009 AT 12:29 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
I would start by having the computer scanned for trouble codes. If the light is on, there should be a code stored. Most parts stores will do it for free.

Let me know what you find.

Joe
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Thursday, August 6th, 2009 AT 11:37 PM

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