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Home >> Subaru >> 1982 >> Subaru 1.8L Eng VIN 5 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Ignition Control System >> Testing >> Check Valve

Check Valve

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Remove valve from vacuum hoses. Air should flow when blowing into valve from distributor side to carburetor side, but not in opposite direction. Replace valve if it is not operating properly.