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PCV System Testing, Removal & Installation: Notes
- Disconnect the ventilation hose from the positive crankcase ventilation (PCV) valve. Remove the PCV valve from the rocker cover and reconnect it to the ventilation hose.
- Run the engine at idle and put a finger on the open end of the PCV valve and make sure that intake manifold vacuum is felt.
NOTE:
The plunger inside the PCV valve will move back and forth.
- If vacuum is not felt, clean the PCV valve and ventilation hose in cleaning solvent, or replace if necessary.
Courtesy of KIA MOTORS AMERICA, INC.