Low idle at stops, only after the car warms up.

2001 OLDSMOBILE ALERO
88,000 MILES
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JPOZ
  • MEMBER
  • 1 POST
This problem was diagnosed by 2carpros as possibly the IACV, however I didn't mention the idle became low only after the car warms up. The pepboys shop diagnosed the problem as a leaking manifold gasket. Does this seem right, after taking into account the warmup condition, or is it the IACV afterall?

Thanks for your expert help.
jwpoz
Nov 26, 2011 at 10:46 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Usually, after warm up a vacuum leak at the intake lessens. Steel expands when it gets hot. Have them show you how they know that is the problem.
Nov 26, 2011 at 10:49 AM
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