Should the valve cover gasket or the entire valve cover be replaced for a Ford Focus with oil leakage?

1 Answers
Stephanie
07/30/25 4:52am
Ford Focus valve cover oil leakage can be resolved by simply replacing the gasket. The function of the car valve is specifically responsible for inputting air into the engine and expelling the exhaust gases after combustion. Symptoms of damaged car valves are as follows: 1. It will affect the engine's working efficiency, and the car's power will be reduced. 2. Abnormal noises will occur, the engine may experience unstable idling or poor acceleration during operation, overtaking performance will also decrease, and in severe cases, it may lead to difficulty starting the engine, failure to ignite, as well as air leakage or increased carbon buildup in the car. 3. Damaged valves can cause unstable cylinder operation, leading to engine shaking, lack of engine power, and may also result in exhaust pipe blockage, with severe cases causing black smoke from the exhaust.
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