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Sensors and Switches - Emission Control Systems > < Positive Crankcase Ventilation Valve|Locations
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Positive Crankcase Ventilation Valve: Testing and Inspection

PCV System Test

G1.Check the crankcase ventilation hoses and connections for leaks and clogging.

PCV Testing

2. At idle, make sure there is a clicking sound from the PCV valve when you lightly pinch the PCV hose with your fingers or pliers.

If no clicking sound is heard, replace the PCV valve and recheck.

Sensors and Switches - Emission Control Systems > < Positive Crankcase Ventilation Valve|Locations