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2002
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Civic HX Coupe L4-1668cc 1.7L SOHC (VTEC-E) MFI
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Repair and Diagnosis
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Powertrain Management
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Description and Operation
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PCV (Positive Crankcase Ventilation) System
PCV (Positive Crankcase Ventilation) System
Positive Crankcase Ventilation (PCV) System
The PCV valve prevents blow-by gasses from escaping into the atmosphere by venting them into the intake manifold.