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Home >> Geo >> 1989 >> Metro Base >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests >> Idle Control System >> System/Component Tests >> Idle Speed Control Solenoid Valve (Metro)

Idle Speed Control Solenoid Valve (Metro)

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With ignition off, disconnect ISC solenoid valve connector. Check resistance between each terminal of valve resistance should be 30-33 ohms. Disconnect ISC solenoid valve hoses. Blow into vacuum nipple "A" of solenoid valve. Air should not flow out of nozzle "B". Replace solenoid if not as specified.