2000 Cadillac Deville idleling high

2000 CADILLAC DEVILLE
298,000 MILES • V8 • 2WD • AUTOMATIC
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GLORY2GOD
  • MEMBER
  • 1 POST
2000 Cadillac Deville DHS... Changed out fuel rack... Began to idle high after replacement.
Jan 19, 2010 at 4:55 PM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
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 3:05 PM
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