Diesel Data
: Automotive Repair
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2007
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Pacifica V6-4.0L VIN X
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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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Positive Crankcase Ventilation Valve
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Description and Operation
Positive Crankcase Ventilation Valve: Description and Operation
DESCRIPTION
The PCV valve contains a spring loaded plunger. The plunger meters the amount of crankcase vapors routed into the combustion chamber based on intake manifold vacuum.