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Home >> Buick >> 1980 >> Skyhawk Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Injection Reactor System >> Operation >> Electric Air Control Valve (3.8L With C-4 System)

Electric Air Control Valve (3.8L With C-4 System)

This valve combines 3 separate functions into a single valve. It provides normal diverter valve function, pressure relief by diverting air to the engine air cleaner when system pressure exceeds a predetermined value, and by utilizing a solenoid the valve can be electronically controlled to divert air under any desired operating mode. When the solenoid is energized, the valve will perform like a standard diverter valve; and de-energized the solenoid causes air to divert during all operating modes.