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Home >> Geo >> 1990 >> Storm Base, Automatic, JF-403E >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Control System >> Engine Controls - System/Component Tests >> Idle Air Valve (Prizm & Prism GSi)
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Idle Air Valve (Prizm & Prism GSi)

With engine temperature at 140°F (60°C) or less, air valve should be open. With engine at normal operating temperature, valve should be closed. Replace valve if it does not perform as described.