One of the most common problems with an engine that is not putting out as much power or pep as you are used to, is that of a faulty or failing mass air flow (MAF) sensor, both with and without a check ...

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 ...

A device in the throttle body, the mass airflow, or MAF, sensor helps the engine computer determine the proper air-fuel mixture by measuring the mass of the air flowing past it. Because a precise ...

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 ...

Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a mi ...