Chevrolet Malibu check engine light on due to bad fuse box connection on Chevrolet Malibu

Some Chevrolet Malibu owners report experiencing issues with the check engine light illuminating due to a bad fuse box connection, which requires prompt attention to avoid further complications. Common causes for the check engine light include problems such as a loose gas cap, faulty oxygen sensors, and malfunctioning spark plugs or ignition coils. Additionally, a flashing check engine light may indicate severe issues like a catastrophic misfire, which can lead to raw fuel entering the exhaust system, risking damage to the catalytic converter. Other triggers for the check engine light include a damaged mass airflow sensor and gas contamination. It is recommended for owners to have their vehicles inspected by a qualified mechanic to accurately diagnose and resolve these issues effectively.