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1990 Chevrolet Corsica • 4 cylinder FWD Automatic •

I have a 1990 Chevy Corsica LT. When I start my car on a cold morning it will idle fine. But when I turn on my heater, the idle will surge real high then drop down way low sometimes stalling. What could be the problem?
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Pooldragon71
February 24, 2011.



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