Most modern vehicles have multi-port fuel injection (MFI) with a separate fuel injector for each cylinder. This system mixes the fuel and air together right in the intake port for eachengine cylinder ...

QUESTION: What is the difference between throttle-body and a multiport fuel injection? ANSWER: Throttle-body fuel injection is similar to a carburetor-style engine. Fuel injectors are located over an ...

I understand the basics of fuel injection; my Ford F-150 EcoBoost, however, is direct injected. What's the difference? – Jim Traditional multiport fuel-injection systems use an in-tank pump to ...

When the auto manufacturers first introduced their newfangled multiport fuel-injection systems, many hot rodders feared that the days of performance tuning and tweaking were gone. However, nothing was ...

Just about every new vehicle is fuel-injected. (The last carbureted vehicles came off the assembly line in 1990.) Although they’re more expensive to service than carburetors were, fuel injection ...

QUESTION: I’m confused about fuel injection on GM cars and trucks. I’ve noticed that the V-6 and Cadillac V-8 engines are fuel-injected, but the V-8 trucks are not. They call them “electronically fuel ...

If you go to as many cars shows as I do, you happen to notice the trends and modern technology in our classic vehicles. Modern fuel injection in our classic trucks is one of those trends that simply ...