Do I Need to Replace My Air Filter? How to Know

If you have found yourself shopping for air filters near Champaign, IL, you have likely discovered one of the many signs that your Subaru car’s air filter is on the fritz. The engine of your Subaru car relies on a mixture of air and fuel for combustion, making the air filter a critical component. Here at Serra Subaru Champaign, our technicians are happy to let you know when it’s time for air filter replacement.

What Is the Role of the Air Filter?

The primary role of the air filter is to ensure that the air entering your engine is clean and free from harmful particles. It prevents dust, dirt, debris, and even bugs from entering the engine, protecting it from damage. An efficient air filter promotes better combustion, leading to improved fuel economy and reduced emissions.

Signs You Need to Replace Your Air Filter

1. Reduced fuel efficiency: One of the most noticeable signs of a clogged air filter is a drop in fuel efficiency. When the air filter is dirty, the engine compensates by using more fuel, leading to increased consumption.
2. Check engine light: If your check engine light is illuminated, it could be due to a clogged air filter affecting the air-to-fuel ratio.
3. Decreased engine performance: A dirty air filter restricts the flow of clean air to the engine, resulting in reduced power and acceleration.
4. Unusual engine sounds: A clogged air filter can lead to unusual engine sounds, such as knocking or pinging.
5. Visual inspection: You can visually inspect the air filter. If it appears visibly dirty, clogged, or discolored, it’s a clear sign that it needs replacement.

Replace Your Air Filters Near Champaign, IL

Serra Subaru Champaign is your home for OEM Subaru parts near Champaign, IL. If you have noticed any of the above signs, visit our dealership for an air filter replacement today.