Every sensor on or in a computer-controlled car or truck talks to the “on-board PC” in a kind of language you’ve never heard or seen. All of the inputs are in a voltage-speak and are all numbers. All ...

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 ...