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Home >> Isuzu >> 1987 >> Impulse Base, Automatic, AW03-72L >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Air Switching Valve >> Impulse

Air Switching Valve: Impulse

Apply 3.9 in. Hg vacuum to diaphragm of air switching valve. Ensure air flows freely from air pump side of valve to air check side of valve.

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