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

Tiny
JPOZ
  • 2001 OLDSMOBILE ALERO
  • 88,000 MILES

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

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Saturday, November 26th, 2011 AT 6:46 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,398 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.

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Saturday, November 26th, 2011 AT 6:49 PM

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