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Lincoln Truck
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2000
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Navigator 2WD V8-5.4L DOHC VIN A
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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
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General
General
The PCV system uses intake manifold vacuum to ventilate the crankcase and return the fumes to the intake manifold for combustion.