Check Engine Light
1982-1994 Chevy Cavaliers
1995-2005 Chevy Cavaliers

What would make a 1990 Chevrolet Cavalier engine idle too fast?


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Wiki User
2004-10-17 13:57:57
2004-10-17 13:57:57

Vacuum leak


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The check engine light cannot be retrieved on a 1990 Cavalier unless a problem develops with the engine. The engine can be checked for errors, though, by using a tester that is plugged into the vehicle's computer.

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Kind of vague...!! What's it doing? Is it turning over? Was the check engine light on before you shut it off? Need more info.

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