DIY car maintenance

Car air filter performance fuel issues 1

5 Reasons Your Car Air Filter Could Be Hurting Performance and Fuel Economy

By On 27/05/2025

Many drivers overlook their car’s air filter, assuming everything's fine under the bonnet as long as the engine runs. But a neglected or poorly installed air filter can quietly impact your vehicle’s performance, fuel efficiency, and even long-term reliability. In this article, we break down the top reasons your air filter might be letting you down—and how to avoid costly mistakes.