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Home >> Chevrolet >> 1979 >> Luv RWD, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Injection System >> Operation >> Check Valve

Check Valve

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This one-way flow control directs air into air injection manifold from air pump. When exhaust system pressure is greater than air pump pressure, check valve closes to prevent exhaust gas from flowing back into air pump system and damaging components.

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