Positive Crankcase Ventilation Valve: Testing and Inspection

POSITIVE CRANKCASE VENTILATION VALVE INSPECTION
1. Slide in a narrow stick at the threaded side of the positive crankcase ventilation valve and make sure that the plunger moves.





2. If the plunger does not move, there is a clogging in the positive crankcase ventilation valve. In this case, clean or replace the valve.