The secondary goal is to deliver the fuel as efficiently as possible. In modern times ... until the 1940s. Fuel injection ...

Clogged injectors can cause a myriad of issues for your engine—it needs a consistent flow of fuel to run properly. Sometimes, simply pouring a can of injector ... While modern cars will throw ...

EFI and carbureted engines are subject to buildup, as well, but there's an increase in modern drivetrains ... including those found in GDI, port fuel injection (PFI), and throttle body injection ...