An air filter, or sometimes called an engine air filter essentially purifies what air is going into your engine. It makes sure that the air that is reaching your engine is clean. Clean air helps your engine to work properly, and helps to get the best fuel economy. A dirty air filter can lower your fuel economy and may cause damage over time, affecting the combustion chamber and mass air flow sensor.
Your air filter can only hold so much dirt before it can't perform it's job correctly, and start to affect the engine's performance. We recommend changing your air filter every year or 15,000 miles, whichever comes first. Depending on where you normally drive, an air filter can become dirty faster due to dust, pollution, or pollen in the air. The air filter housing, which holds the air filter, can also become a nesting ground for little critters during the colder weather.
Not sure if you need to replace your air filter? Next service, make sure to ask your service writer. At Jerry Noonan's Auto Center, checking the air filter is part of our Courtesy Check which every vehicle receives when it comes in for any service or repair.
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