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Home >> Mercury >> 1989 >> Topaz LS, 2.3 X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> THERMACTOR System >> Operation >> Air Supply Control Valve
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Air Supply Control Valve

Air Supply Control Valves (ACV) direct air pump output to exhaust manifold or catalyst, depending upon engine control system.

Fig 1: Air Supply Control Valve
G55742Courtesy of FORD MOTOR CO.