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Positive Crankcase Ventilation Valve: Testing and Inspection

POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION [LF, L3]

1. Remove the intake manifold. Service and Repair

2. Remove the PCV valve. Service and Repair

3. Verify that there is no airflow when pressure is applied to port A.

- If there is airflow, replace the PCV valve.

4. Verify that there is airflow when vacuum is applied to port A.

- If there is no airflow, replace the PCV valve.