Positive Crankcase Ventilation (Pcv) System - Toyota 3VZ–FE Troubleshooting Manual

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EG–146

POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM

To reduce HC emission, crankcase blow–by gas (HC) is routed through the PCV valve to the air intake
chamber for combustion in the cylinders.
ENGINE TROUBLESHOOTING
EMISSION CONTROL SYSTEMS
EG08F–01

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