1991 chevy lumina euro 3.1..... canthe idle be adjusted..... or throttle body fuel enjection?

Asked by dlucas1959 Aug 01, 2013 at 12:35 PM about the 1991 Chevrolet Lumina Euro Coupe FWD

Question type: Maintenance & Repair

1 Answer
13,505

Fordtudor37 answered 11 years ago

Check for codes before doing anything ! The idle speed is controlled by the IAC (Idle Air Controller) or the ISC (Idle Speed Control) unit. If the auto wont hold an idle I would replace this first based on your posted comment.

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