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What causes a 1990 Oldsmobile Cutlass Ciera to idle high and idle so low it stalls?

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Answer

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Wiki User
06/12/2007

Check idle air control valve on throttle body. Mine had similer problems. A quick fix to get you going should be just unplug and remove spray w/ cleaner to get carbon off spring and cone shaft, reinstall. remember, this is just temporary.