Electronic fuel injection (EFI) really has been a great innovation. For well over 20 years, OEM offerings have benefited from the improved fuel mileage, throttle response, and all-around driveability ...

When any kind of new electronic wizardry comes out, the marketplace races to make it better. Fuel Air Spark Technology (FAST) has done just that with its new XFI electronic fuel injection system. XFI ...

Turns out the old technology did a few things no computer has matched.

Anyone who has gone to school to learn how to repair engines of all types, such as myself, will have learned the fundamentals of how they work. It's crucial for troubleshooting and diagnosing engine ...

Modern trucks rely heavily on precise fuel delivery systems to maintain performance, fuel economy, and emissions control.