What is the function of an air filter?

The function of an air filter is to filter out small impurities in the air, preventing them from entering the engine combustion chamber and affecting engine operation. Air filter element is a type of filter, also known as air filter cartridge, air filter, style, etc. It is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operating rooms, and various precision operating rooms. 

The symptoms of a dirty car air filter include: 

1. Using a dirty air filter while driving can cause insufficient engine intake and incomplete fuel combustion;

 2. The phenomenon of unstable engine operation, decreased power, and increased fuel consumption occurs, therefore, the car must keep the air filter clean; 

3. If the air filter is dirty, it will cause insufficient oxygen and incomplete combustion, resulting in black smoke and a large amount of oil accumulation in the cylinder, which will lead to the loss of lubrication effect.