The modern internal combustion engine is an engineering marvel. We’re light-years ahead of simple big blocks and carburetors, and now there are very fast, very capable computers sensing adjusting the ...

If you’re looking to soup up your whip, the first place you’ll probably look is the engine control unit. This computer shoved in the engine compartment controls just about every aspect of your car’s ...

A brief but effective road test may save unimaginable time on seemingly difficult drivability diagnoses. This column concerns that road-test format and reasons why some sharp technicians rely on it to ...

The increasing number of controllable parameters in modern engine systems has led to increasingly complicated and enlarged engine control software. This in turn has created dramatic increases in ...

Unless we're talking about the '68 Ranchero that your Uncle Hank lives out of, every car needs some sort of ECU (engine control unit) to tell each of its engine's moving parts what to do and how to ...