Your air system in your car is what gives the engine the proper air flow that it needs for the fuel system and it is no different that any other system, the cleaner it is the more efficient it runs. There for the air filter is highly important because it does exactly what it says, filters the air going to your engine to provide better, cleaner air going into your engine. If your air filter is not changed regularly and becomes dirty enough several problems can arise and effect the performance of your vehicle.
Black smoke coming from the exhaust, feeling a rough engine idle, experiencing backfiring, getting unusually low gas mileage or smelling gasoline from the exhaust are all good signs that it is time (or past time) to check your air filter.
Our multi-point check that is performed on your vehicle at every oil change includes checking your air filter. One less thing for you to worry about.