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Old 11-10-2003, 07:19 PM
kramlavud kramlavud is offline
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Join Date: Dec 2002
Location: Fairfax, VA
Posts: 520
Had a similar problem on a volvo. On a cold start in the morning, the engine would rev to about 1300 rpm then fall to 500 and do this for about 30 seconds. Thereafter it settled down to a smooth 750 rpm. I cleaned the idle air control valve and solved the problem.

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