Chevrolet Camaro check engine light on after reinstalling old air filter and removing K&N filter on Chevrolet Camaro

Some Chevrolet Camaro owners report experiencing a check engine light activation after reinstalling an old air filter and removing a K&N filter. This issue may arise due to debris or dirt interfering with the airflow sensor, which can trigger the warning light. Additionally, improper installation of the old air filter could lead to similar problems. Owners have also noted that the removal of the K&N filter might expose a dirty mass airflow sensor, contributing to the check engine light being illuminated. Furthermore, changing the air filter can sometimes affect sensor calibration, resulting in the warning light turning on. To resolve these issues, it is recommended to check the air filter installation, inspect the mass airflow sensor for dirt or damage, and consider resetting the check engine light using an OBD-II scanner. If the light remains on after these steps, consulting a mechanic or dealership for further diagnosis is advisable.