mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Relays and Modules - Emission Control Systems > < Vacuum Delay Valve, EGR|Testing and Inspection
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Positive Crankcase Ventilation Valve: Testing and Inspection

Fig. 16 PCV System Inspection.

1.

Warm up engine to the normal operating temperature and run at idle speed.

2.

Disconnect the PCV valve together with the ventilation hose from the cylinder head cover.

3.

Close the PCV valve opening with fingers Fig. 16. Make sure air is sucked into the PCV valve, if not correct replace the valve.

Relays and Modules - Emission Control Systems > < Vacuum Delay Valve, EGR|Testing and Inspection