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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 >> Crankcase Ventilation
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Crankcase Ventilation

  1. Remove PCV valve. Attach hose to PCV valve. Blow air from cylinder head side of valve. Check that air passes through easily.
  2. Blow air from intake manifold side. Check that air passes through with difficulity. If PVC valve does not function as described, replace valve.
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