A mass air flow sensor is one of the numerous tiny widgets and gewgaws that make up a modern automobile's electronic fuel injection system. In the MAF's case, it tells the car's computer how much ...

He decided to replace this with a modern mass air flow (MAF) sensor instead, and documented the process online.

And if your car's check-engine light is giving you the side-eye, it helps to know about other sensors, too, like the Mass Air Flow sensor and when it goes bad.

Additionally, the ECU can also recognize a faulty MAF signal when the car is being driven and will alert the driver to any Chevy Cruze Mass Air Flow sensor problems which may occur while on the move.

This was the case for [Rob] and his Porsche 944, which had relied on an old-fashioned mechanical air flow meter (AFM). He decided to replace this with a modern mass air flow (MAF) sensor instead ...