Civic Hatchback L4-1.6L SOHC (16 Valve) (1996)
Positive Crankcase Ventilation Valve: Testing and Inspection
1. 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.
If there is no clicking sound, check the PCV valve grommet for cracks and damage. If the grommet is OK, replace the PCV valve and recheck.