Crankcase Ventilation System Inspection/Diagnosis
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Crankcase Ventilation System Inspection/Diagnosis
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Symptoms:
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Correction
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External oil leak
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Inspect for any of the following conditions:
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Restricted or kinked positive crankcase ventilation (PCV) hose or engine vent hose
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Damaged, incorrect, or incorrectly installed PCV hose
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Excessive crankcase pressure
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Rough idle
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Inspect for any of the following conditions:
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Restricted or kinked PCV hose or engine vent hose
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Leaking (damaged) PCV hose
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Vacuum hoses worn or not properly installed
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Stalling or slow idle speed
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Inspect for any of the following conditions:
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Restricted or kinked engine vent hose
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Leaking (damaged) PCV hose
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High idle speed
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Inspect for a leaking (damaged) PCV hose
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Sludge in the engine
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Inspect for restricted or kinked PCV hose or engine vent hose
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