Required Service

PCV system may require service for obstructed PCV valve or hose if any of the following conditions exist:

• Excessive exhaust emissions.
• High crankcase pressure.
• Oil leaks.
• Oil in air cleaner.
• Oil consumption.
• Rough idle.
• Sludge in engine.
• Stalling or low idle speed.

A leaking PCV valve or hose could cause:

• Excessive exhaust emissions.
• Incorrect crankcase pressure.
• High idle speed.
• Rough idle.
• Stalling.

If engine idles roughly, check for clogged PCV valve, or plugged or broken hoses. Check PCV valve application to ensure correct valve is fitted. Replace PCV valve as necessary.