UNWARRENTED HIGH IDLE

  • Tiny
  • douglascrowell@gmail.com
  • 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
  • Expert
  • 30,587 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
  • Member

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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