Today, I went to my friend who drives the auto for marketing his products. He showed me the air filter and he cleaned it. He told me that it is very important for keeping engine fresh and it increases the life of engine of auto. so, today, I added this tutorial in my svtuition. If you have the auto, you can also clean it yourself without any help of expert. Air filter will be backside of auto. Open it and clean it with electrical blower.
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