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Home >> Pontiac >> 1996 >> Firebird Formula, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - System & Component Tests - 5.7L >> Emission Systems & Sub-Systems >> Positive Crankcase Ventilation (PCV) >> Required Service

Required Service

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

Rough idle.
Stalling or slow idle speed.
Oil leaks.
Oil in air cleaner.
Sludge in engine.

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