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Unwarrented High Idle

Tiny
DOUGLASCROWELL
  • MEMBER
  • 2001 FORD EXPEDITION
  • V8
  • 4WD
  • AUTOMATIC
  • 90,000 MILES
2001 ford expedition 5.4
Good afternoon this morning my truck started running fine no problems I allowed it to warm up for 15 min. Started off to work and within 5 miles my trucks idle went from 1500 to 4000 constant and would not lower. I went out for lunch and the idle was fine for my 20 min. Lunch drive. What might the problem be.
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Wednesday, February 9th, 2011 AT 8:22 PM

2 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Clean the IAC valve and the throttle body, start here.

Mark (mhpautos)
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Wednesday, February 9th, 2011 AT 9:01 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Did it cause the CEL to come on? If so, get codes read and in the mean time, lets wait and see if it does it again?
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Wednesday, February 9th, 2011 AT 9:55 PM

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