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Home >> Isuzu >> 1982 >> Pickup 2.2L Eng VIN S, RWD, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Injection System >> Testing >> Vacuum Switching Valve
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Vacuum Switching Valve

Connect jumper wires from valve connector terminals directly to battery. Plunger should click with power applied. If not, replace valve.

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