Erratic Idle when cold

Tiny
DDWILSON524
  • MEMBER
  • FORD F-250
Hi. I own a 2003 Ford F-250 Truck, with a 6.0 Turbo Diesel Engine. It's a 4 x 4 with approx 92000 miles. When my truck is first started it idles normally for a minute, and then the idle speed jumps up instantly to around 1100 rpm (erratically). The check engine light is on, and remains on. Any ideas as to the problem? When the truck is warmed up it idles normally, and no degradation of performance has been noticed.
Thank you very much.
Darrel
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Wednesday, October 24th, 2007 AT 3:57 PM

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Tiny
DDWILSON524
  • MEMBER
  • 8 POSTS
Turned out to be a bad ICP Sensor. No more problem.
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Monday, January 18th, 2010 AT 12:33 PM

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