Failure of Peugeot 408 Crankshaft Ventilation Waste Gas Valve

1. Increased fuel consumption: Failure of the waste gas valve to discharge the waste gas correctly will lead to incomplete combustion or increased friction, which will lead to a significant increase in vehicle fuel consumption.

2. Emission problem: Failure of waste gas valve will lead to abnormal exhaust system of vehicle, such as black smoke, odor or abnormal exhaust gas.

3. Engine performance degradation: Waste valve failure will have a negative impact on engine performance, such as power reduction, poor acceleration or unstable idle speed.