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Home >> Mazda >> 2006 >> 6 s, 4D Wagon, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Emission System (L3 With TC)) >> Positive Crankcase Ventilation (PCV) Valve Inspection

Positive Crankcase Ventilation (PCV) Valve Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Remove the PCV valve. (See POSITIVE CRANKCASE VENTILATION (PCV) VALVE REMOVAL NOTE ).
  2. Blow through the valve and verify that air flows as specified.
    • If not as specified, replace the PCV valve.

    Specification 

    AIRFLOW CONDITION SPECIFICATION

    Condition Airflow
    Air applied from port A to B Yes
    Air applied from port B to A No
    Fig 1: Identifying PCV Valve
    G04325013Courtesy of MAZDA MOTORS CORP.