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Home >> Subaru >> 2004 >> Baja Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls - System & Component Testing) >> Emission Systems & Sub-Systems >> Positive Crankcase Ventilation (PCV)

Positive Crankcase Ventilation (PCV)

WARNING: This page is about a different car, the 2003 Subaru Outback, 2003 Subaru Legacy, 2003 Subaru Impreza, 2003 Subaru Forester, and 2003 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.

With engine idling, disconnect ventilation hose from PCV valve. If hissing noise and strong vacuum are not present at hose end, check hose and hose connections for leaks and obstructions. Repair or replace as necessary. Connect hose to PCV valve. Remove PCV valve from intake manifold. Place finger over PCV valve. Vacuum should be present. Remove finger from PCV valve. Valve should snap back.

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