In the thousands of parts of the automobile, the air filter is an extremely insignificant part, because it does not directly affect the technical performance of the automobile, but in the actual use of the automobile, the air filter has a great impact on the service life of the automobile (especially the engine).On the one hand, if there is no air filter filter, the engine will inhale a lot of dust, particles of air, leading to serious wear of the engine cylinder;On the other hand, if the air filter element is not maintained for a long time during use, it will be filled with dust in the air, which will not only reduce the filtration capacity, but also hinder the flow of air, resulting in too strong mixture and abnormal engine operation.Therefore, it is very important to maintain the air filter on schedule.