1994 Ford F250 ENGINE START-UP

1994 FORD F-250
94,000 MILES • V8 • 2WD • AUTOMATIC
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DFAITHFUL
  • MEMBER
  • 1 POST
5.8 LITER WHEN ENGINE IS COLD RPMS FLUCTUATE DRAMATICALLY--ACTS LIKE A BAD VAACUM LEAK--IN 2-3 MINUTES IDLE IS NORMAL.
I ASSUME THIS IS EMMISIONS RELATED--WHERE DO I LOOK FIRST ?
Aug 28, 2010 at 10:47 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check and test the engine coolant temperature sensor and idle air control valve
Aug 29, 2010 at 1:28 AM
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