2006 Ford F-150 high idle at start up

Tiny
BRENT BASHAM
  • MEMBER
  • 2006 FORD F-150
  • 4.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 250,000 MILES
Changed plugs and cops, truck ran great!
A week later cleaned mass flow, still runs great but, now cranks at extremely high idle (2000rpms) Every time it's cranked!
Suggestions?
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Saturday, October 31st, 2015 AT 1:57 PM

3 Replies

Tiny
MHPAUTOS
  • EXPERT
You may have an air leak at the throttle body or a problem with the IAC check this first.
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Saturday, October 31st, 2015 AT 2:13 PM
Tiny
BRENT BASHAM
  • MEMBER
Ok, I'll check. I didn't use a new gasket on the mass flow, (pretty dumb on my part) it's the only thing that was disturbed and probably where it's at.
I'll change this first and see if that fixes it.
Thanks for your info !
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Sunday, November 1st, 2015 AT 8:41 AM
Tiny
MHPAUTOS
  • EXPERT
OK, good place to start looking, good luck with this.
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Sunday, November 1st, 2015 AT 12:29 PM

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