What is the effect of Ford Focus valve cover oil leakage?

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The impact of the Ford Focus valve cover oil leakage is as follows:

1, which affects the lubrication of the vehicle. The oil leaked from the valve cover will lead to insufficient lubrication of the valve chamber, which will cause the wear of parts and damage the engine for a long time;

2. The air tightness of the engine will be affected, and the working pressure of the engine will also leak from the oil leak. The engine has an exhaust gas recirculation valve connected to the throttle valve, and air leakage will affect the stability of the engine;

3. Dirty engine and even fire. The leaked oil will flow along the engine and combine with dust to form sludge. If you encounter an open flame, it will ignite the engine.