Are the valve seals of the Ford Focus divided into intake and exhaust?

[DelJonathan]

Ford Focus valve seals are divided into intake and exhaust. The following is a related introduction about Ford Focus valves: 1. Function: The intake valve's function is to draw air into the engine to mix with fuel for combustion. The exhaust valve's function is to expel the burned exhaust gases and dissipate heat. 2. Symptoms of valve damage: (1) It will affect the engine's working efficiency, and the car's power will decrease. (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, and the car may also experience air leakage or increased carbon deposits.