So, your M5 is occasionally entering the feared limp-mode and starts to feel as if you're driving a Prius. Moreover, it's always happening when you're trying to overtake someone. Other times, the car ...

When the air mass sensor on my car is plugged in, it drives terribly, goes into limp mode before 3000rpm. When the sensor is unplugged it drives okay. What can I do? Why will my Citroen Xsara not rev ...

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 ...

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 ...