But officer, I couldn’t have been going that fast.” If you’ve ever uttered that statement, you know just how important the speedometer in your vehicle is. So, for a variety of obvious reasons, the ...

Swapping out factory rubber for taller (or shorter) tires affects trucks’ speed-sensor circuits, which can lead to errors in the speedometer readings and everything related to mileage figures from ...

You may be driving faster, or slower, than you think you are. Speedometer inaccuracies happen, and can be partially to blame for that seemingly bogus speeding ticket. Dan Edmunds, an automotive ...

I can't be the only one who's had trouble hooking up a speedometer to a modern transmission—especially when a cable can't be used and an ECU converter or pulse ...