Crankcase Ventilation System Inspection/Diagnosis. Chevrolet Corvette 2006

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2006 🢒 Corvette 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Crankcase Ventilation System Inspection/Diagnosis

Concern

Action

External oil leak

Inspect for any of the following conditions:

•	Plugged positive crankcase ventilation (PCV)

•	Plugged or kinked PCV hose(s)

•	Damaged or incorrectly installed PCV or hose(s)

•	Excessive crankcase pressure

Rough Idle

Inspect for any of the following conditions:

•	Plugged PCV

•	Plugged or kinked PCV hose(s)

•	Leaking (damaged) PCV or hose(s)

Stalling or slow idle speed

Inspect for any of the following conditions:

•	Plugged PCV

•	Plugged or kinked PCV hose(s)

•	Leaking (damaged) PCV or hose(s)

High idle speed

Inspect for a leaking (damaged) PCV or hose(s)

Sludge in the engine

Inspect for any of the following conditions:

•	Plugged PCV

•	Plugged or kinked PCV hose(s)