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High rev at cold start 850 1997

posted by  Rick850R on  Fri Sep 10 14:48 CST 2004
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The reason the engine does this..it runs at roughly 1500 or 1800 rpm and then settles back down to idle..is that, if the car is cold, then it will run rich for the first few seconds until the computer compensates and corrects for the actual need, and then the idle speed settles to normal.

Every car I have ever had does this. When the engine is warm, the rpms don't rise as much or at all.






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