01/06/2026
Think a dirty air filter is killing your gas mileage? The answer is B — false. 🚗
Modern fuel-injected engines automatically adjust for airflow, so a clogged filter can reduce engine power, but it won't hurt your MPG. Have your air filter inspected at every service interval and replace it only when needed.
DWD2 — helping you stay informed and keep your car running clean. dwd2.com