Barring electric vehicles, each and every vehicle needs some sort of combustible fuel. Until about four decades ago, almost every passenger car used a carburetor to handle its air and fuel needs. It ...

Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?

Many car crafters roll their eyes and tune out when bench racing turns to electronic fuel injection (EFI). We're not here to hijack you into believing that EFI is cheap or even simple. Carburetors ...

Electronic fuel injection is older than you think, the earliest example being the failed Bendix Electrojector system from 1957. Bosch bought the rights to the Eletrojector system and developed it into ...

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 ...