MPV 2WD V6-3.0L SOHC (1992)
Positive Crankcase Ventilation: Testing and Inspection
Checking PCV Valve
1.
Warm engine to operating temperature and run at idle.
2.
Disconnect valve with ventilation hose from cylinder head cover.
3.
Block valve opening and check that vacuum is felt.
PCV Valve
4.
Remove valve.
5.
Blow through from port "A" and verify that air comes out port "B".
6.
Blow through from port "B" and verify that no air comes out port "A".
7.
Replace valve if not as specified.