How to Determine if the Engine PCV Valve is Damaged?
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Methods to determine if the engine PCV valve is damaged: 1. Check if there is blue smoke coming from the exhaust pipe. A damaged PCV valve can cause the car to burn oil, resulting in severe blue smoke from the exhaust. 2. Due to the PCV valve failure causing oil burning, the oil will also be consumed quickly, leading to increased oil consumption. 3. Open the oil filler cap. If there is strong suction (meaning the cap is pulled in), it indicates a problem with the PCV valve. Reasons for PCV valve damage: 1. Poor quality of the PCV valve itself. 2. Improper maintenance. 3. Poor fuel quality. 4. Aging of the PCV valve. The PCV valve operates under high engine temperatures and may degrade over time.