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 air ...

Your engine needs a steady stream of clean air to function properly, and it's the job of the mass air flow (MAF) sensor to measure and regulate the amount of clean air entering the intake. The engine ...

Somewhat surprisingly, Pro-M says bad grounds are perhaps the most common culprit in diagnosing mass air meter problems. Not grounds within the meter itself, but poor vehicle grounds, such as failure ...