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Home >> GMC >> 1992 >> Jimmy Base, 4D Utility, 4.3 W, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Emission Systems & Sub-Systems (Gasoline) >> Positive Crankcase Ventilation >> Required Service
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Required Service

The PCV system may require service for obstructions if any of the following conditions exist:

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