How does fuel injection work? Everything you need to know about fuel injection! Throttle body injection, multipoint port ...

Fuel injectors don't just deliver fuel. They meter it, shaping the spray so the air-fuel mixture burns in the way the engine wants it to. When deposits build up, injector fuel flow can decrease and ...

When electronic fuel injection first appeared on performance cars, it represented a major shift in the comfort zone of many hot rodders. Turning screws, replacing jets, and setting float levels were ...

The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor intended, to be run on the street. All of these ...

PFI injectors spray fuel into the intake port upstream of the intake valve. It generally uses lower pressures than GDI and an environment that's less brutal on the nozzle, so light deposit issues may ...