1989 Ford F250 IDLE

1989 FORD F-250
100,000 MILES • V8 • 4WD • AUTOMATIC
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85BLAZER
  • MEMBER
  • 1 POST
IDLE IS UP AND DOWN AND MOSTLY RUNS VERY HIGH WHEN WARM.
Sep 19, 2010 at 5:25 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check for vacuum leaks if none -clean out the idle air control and test the TPS and MAF sensor
Sep 19, 2010 at 6:29 PM
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