Silverado 3500 2WD V8-8.1L VIN G (2005)
Positive Crankcase Ventilation: Testing and Inspection
Crankcase Ventilation System Inspection/Diagnosis
A plugged Positive Crankcase Ventilation (PCV) pipe/passage way may cause:
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Rough idle
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Stalling or slow idle speed
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Oil leaks
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Sludge in the engine
