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Home >> Volvo >> 1982 >> 242 GLT, 2.1L Eng VIN 45, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Computerized Engine Controls >> Operation >> Constant Idle Speed System >> Air Control Valve
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Air Control Valve

The air control valve consists of a small electrical motor mounted between connecting hoses at the air flow throttle valve. The motor rotates clockwise or counterclockwise to increase or decrease the amount of air which is injected into intake manifold.