Positive Crankcase Ventilation Valve: Testing and Inspection

2AR-FE EMISSION CONTROL: PCV VALVE: INSPECTION

1. INSPECT PCV VALVE

(a) Install a clean hose to the PCV valve.

(b) Check the PCV valve operation.

(1) Blow air into the cylinder block side and check that air passes through easily.





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If the result is not as specified, replace the PCV valve.

CAUTION:
Do not suck air through the valve.

Petroleum substances inside the valve are hazardous to your health.

(2) Blow air into the intake manifold side and check that air passes through with difficulty.





Text in Illustration





If the result is not as specified, replace the PCV valve.

(c) Remove the clean hose from the PCV valve.