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Home >> Mercury >> 2002 >> Villager Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> System Tests >> Test Hg: Positive Crankcase Ventilation System >> Diagnostic Aids

Diagnostic Aids

Perform this test when instructed during SYMPTOM DIAGNOSIS. Use this test to diagnose Positive Crankcase Ventilation (PCV) valve and related vacuum hoses.