Your vehicle’s engine is equipped with several filters that prevent contaminants from affecting its performance. One of them is the air filter, which keeps dirt, sand, and other particles from entering the engine. During an oil change, your mechanic will check this part to ensure it works optimally. Here’s how this benefits your car.

How Air Filters Work

A vehicle air filter contains paper-like materials folded into pleats inside a box. As you drive, outside air passes through the pleats while debris remain in the box. Without a clean filter, road particles could enter the engine, preventing proper fuel combustion and damaging the pistons, cylinders, and sensors.

When this filter becomes dirty and clogged, the check engine light can activate. At this point, your vehicle’s performance is affected. For example, you might notice a drop in gas mileage or that the vehicle seems to lack power when accelerating because the fuel isn’t burning efficiently.

When to Have Your Air Filter Changed

While a dirty filter produces noticeable consequences, these effects are often very subtle, so a professional must inspect the part to determine when it needs replacement. During an oil change, the technician will inspect the filter. They might hold the unit against a light source to test its effectiveness; if light isn’t visible through the dirty pleats, the filter needs to be changed.

Your air filter may be inspected every time you get an oil change, but that doesn’t mean you need a new one every time the oil is changed. Replacement intervals vary by car make and model, but in most cases, the filter will be swapped every 15,000 to 30,000 miles. If you frequently drive on unpaved roads or urban areas with more airborne particles, you might need replacements more often.

In all cases, the recommendation is to change the air filter at least every three years. Check your vehicle owner’s manual for specific guidelines.

When you need an oil change and professional maintenance, bring your vehicle to Mattie’s Service Center in Milford, CT. Certified by the Automotive Service Excellence group, this experienced team has served drivers throughout New Haven County for over 50 years. They carry top-quality mineral and synthetic oil blends, as well as oil filters. Schedule an appointment by calling (203) 877-3701, or visit them online for information about their work.