Posted on 11/22/2022
The mass air flow sensor (MAF) is a component that calculates and decides how much air should go into the engine for the combustion process. Your vehicle should keep the right balance of air and fuel in the engine’s combustion chamber. Over time, the MAF tends to get dirty, which can cause miscalculations in airflow. As a result, the engine will run too rich or too lean, causing issues. Read on to learn more about the top signs of a bad mass air flow sensor: Illuminated Check Engine Light When your motor runs an unbalanced air-to-fuel ratio, your check engine light will come on. It will read a MAF error code during diagnostics. Dark or Black Exhaust Smoke When your engine doesn’t allow enough air and too much fuel into the combustion chamber, it can cause excess black smoke to blow out the tailpipe. In some cases, it can linger in the catalytic converter and cause a clog. Poor Fuel Economy Along with dark exhaust smoke, you will also notice a drop in your fuel mileage ... read more