Will a Dirty Air Filter Cause the Check Engine Light to Come On?

Will a Dirty Air Filter Cause the Check Engine Light to Come On?

Can a Dirty Air Filter Trigger the Check Engine Light? Yes, a dirty or clogged air filter can cause the check engine light (CEL) to come on. The engine relies on a proper air-fuel mixture for combustion, and if the air filter is excessively dirty, it can restrict airflow, leading to sensor errors, poor performance,…