Engineering Explained on MSN

How fuel injection works - direct vs port injector

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

How to Make it Work: Electronic Fuel Injection

This overview illustration will help you place many of the different sensors used in a multipoint fuel-injection (MPFI) engine such as a 5.0L Ford or GM tuned-port-injection (TPI) 305 or 350. One ...