FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Lexus
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1995
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SC 300 L6-3.0L (2JZ-GE)
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Positive Crankcase Ventilation
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Description and Operation
Positive Crankcase Ventilation: Description and Operation
PURPOSE:
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.
PCV System:
OPERATION