Direct injection. Just about every car has it now, and those that don’t probably will in the next few years. It can add power, reduce emissions, and is a big part of why just about everybody is ...

QUESTION: I was having a conversation about cars with my 14-year-old son, and the topic of fuel injection came up. He wanted to know how it works, and I began to tell him but then realized I was ...

Gregg Petersen's Hilborn-injected Chevette. The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor ...

Question: Can you explain how fuel injection works? I've been hearing about new ways this is done and realized I didn't understand the current kind. I grew up with carburetors and tinkered with them ...

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 ...

CARS.COM — You’ve heard the term before, but what are the actual nuances of fuel injection? What are the different types of fuel injection in your vehicle? It requires a little bit of basic engine ...

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