When your experienced Kerry's Car Care service specialist technician changes your oil, he will also inspect your air filter. You shouldn’t need a new filter at every oil change, but you will need to change it regularly. Heed your technician’s auto advice if they tell you to change your filter. It’s not expensive, and it makes a big difference to your truck.
An air filter does what its name implies: it filters stuff out of the air. Air is drawn into your engine through the filter because your engine needs air to burn fuel. If the filter weren’t there, a lot of dust and debris would come into the truck engine with the air. That dust and debris would get hot, burn, and produce all kinds of ash and gumminess that would eventually clog up your engine.
But air filters themselves get clogged up with all the junk they clean out of the Phoenix air. This doesn’t allow the junk into the truck engine, but it does block up the airflow. A blocked airflow will reduce engine efficiency, learn more.