mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Air Control Valve|Page 4135 > < Air Check Valve/Pulse Air Valve|Page 4130
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Air Injection Control Valve: Description and Operation
Air Control Valve

The Air Supply Control Valve is used In the Thermactor (secondary air) System.

The air control valve directs air pump output to the exhaust manifold or downstream to the catalyst system depending upon the engine control strategy.

Air Control Valve|Page 4135 > < Air Check Valve/Pulse Air Valve|Page 4130