Understanding the signs of a dirty air filter can help you maintain the performance of your car. An air filter is playing an integral role in keeping the dust, dirt, and debris out from the air reaching the combustion chamber of your car but over time the air filter can be worn out thus, needing a replacement. You should know when it's time to replace it. Read on for more information. Signs of A Dirty Air Filter Let's discuss some of the signs so that you can keep an eye on your air filter: Car Vibrating Excessively And You Hear Noises If you notice that your car is vibrating excessively and making weird noises like popping then there could be an issue with the air filter as it might be clogged. Air Filter Looks Dirty A simple way to tell is by looking at the air filter as it would appear dirty. If you find it hard to see the dirt as it might not be apparent then it's better to let a mechanic check the air filter for you and let you know about the situation. Exhaust ... read more