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M45 Base
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Engine Control System - Introduction
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Positive Crankcase Ventilation
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Component Inspection
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PCV Valve Ventilation Hose
PCV Valve Ventilation Hose
Check hoses and hose connections for leaking.
Disconnect all hoses and clean with compressed air. If any hose cannot be freed of obstructions, replace.
Fig 1: Checking Hoses And Hose Connections For Leaking
Courtesy of NISSAN MOTOR CO., U.S.A.