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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 15 (Engine Controls - System & Component Testing) >> Emission Systems & Sub-Systems >> Positive Crankcase Ventilation >> Required Service
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Required Service

WARNING: This page is about a different car, the 2002 Isuzu Trooper, 2002 Isuzu Rodeo Sport, 2002 Isuzu Rodeo, 2002 Isuzu Axiom, and 2002 Honda Passport. However, it is still accessible from the selected car via links, so may be relevant.

The Positive Crankcase Ventilation (PCV) system may require service for obstructions if any of the following conditions exist:

A leaking PCV valve or hose could cause:

If engine idles roughly, check for clogged PCV valve and for plugged or broken PCV hoses BEFORE adjusting idle. Check for correct PCV valve application to ensure the correct valve is fitted. Replace PCV valve if required.