Positive Crankcase Ventilation: Testing and Inspection

1. Check the PCV Hoses and Connections for leaks and clogging.

PCV Testing:

2. At idle, make sure there is a clicking sound from the PCV valve when the hose between PCV valve and intake manifold in lightly pinched with your fingers or pliers.

NOTE: If there is no clicking sound. check the PCV valve grommet for cracks or damage. If the grommet is OK. replace the PCV valve and recheck.