If the air filter element is too dirty, there will be a lot of dust attached to it, which will hinder the passage of air, reduce the air intake of the engine, and cause the engine power to decrease and the driving fuel consumption to increase. The main function of the car air filter is to filter the air entering the car engine to ensure that the incoming air is relatively pure. If the air element filter is too dirty, it needs to be replaced.

Related common sense of air filter:
1. The material of the air filter element is generally paper or fiber cloth, cotton yarn, non-woven fabric, felt, etc., especially paper materials are the most common. It is designed so that air can pass through, but foreign objects and particles will be blocked and unable to pass through;
2. After every period of use, there will be a lot of dust and foreign matter on the air filter element. When doing regular maintenance of the car, the maintenance master will usually use a high-pressure air gun to clean it for you;
3. The air filter element has a certain service life, which is generally a year or 20,000 kilometers in a car. It is recommended to replace it after the expiration date to ensure the clean air.