How does a mass air flow sensor work? What is a MAF sensor? This video explains how a hot wire type mass air flow sensor helps the engine determine how much fuel to inject, by giving a proper reading ...

In this video, we explain car engine sensors, detailing their functions, operations, locations, and effects of malfunctions.

Last month we fielded a question about a fault code a reader had been trying to repair for more than a year. To recap, the Corvette in question, a ’96 model, had a recurring P0171 code, or “System Too ...

Imagine a turbocharger trying to pressurize a carburetor with its small venturis and finicky floats and you can get some idea why electronic fuel injection opened the door to big boost, big power, big ...

Electronic fuel injection was a big leap forward for engine control. However, early implementations often left something to be desired. This was the case for [Rob] and his Porsche 944, which had ...