2000 Cadillac Deville idleling high

2000 CADILLAC DEVILLE
298,000 MILES • V8 • 2WD • AUTOMATIC
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GLORY2GOD
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  • 1 POST
2000 Cadillac Deville DHS... Changed out fuel rack... Began to idle high after replacement.
Jan 20, 2010 at 12:55 AM
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FACTORYJACK
  • ✓ASE Certified Mechanic
  • 4,159 POSTS
  • ASE Certified Mechanic
More than likely, you have a vacuum leak. If it was an injector O-ring, you would have misfire. I would check that the boot between the intake and throttle housing is not split.
Jan 20, 2010 at 11:05 PM
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