The powertrain control module, aka PCM, is your vehicle’s brain. It manages the engine, transmission and other systems based on information it receives from various sensors around the vehicle. It is ...

-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...

When new technologies come out it doesn't mean what you used in the past was bad, it just means that some "cat" with a pocket protector figured out a way to do things just a bit more efficiently. In ...

As the '99-'04 Mustangs get a bit older, the engines become tired and ready for replacement. While the stock Two-Valve Modular engine was a fine performer in its day (especially when equipped with a ...