Integra L4-1678cc 1.7L DOHC (VTEC) FI (1992)
Positive Crankcase Ventilation: Testing and Inspection
PCV System Inspection
1. Check the crankcase ventilation hoses and connections for leaks and clogging.
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.
-
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.