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Home >> Toyota >> 1990 >> Tercel Base, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 4-CYL CARBURETED >> Air Suction System >> Vacuum Check Valve

Vacuum Check Valve

Apply air pressure to one side of check valve. Air pressure should flow easily in one direction and should not flow through valve when air pressure is reversed.

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