engine revs high on cold start and continues for a couple of minutes before settling down.
Mar 30, 2013 at 10:10 AM
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ASEMASTER6371
CAR REPAIR CONTRIBUTOR
52,796 POSTS
A Saab 9-5 has no idle air bypass valve. This is handled by the throttle body. It might be the case that the throttle body has to be cleaned or replaced.