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 ...

The controversy between carburetors and EFI has always been about complexity and price. Carburetors are simple—EFI is not. Carburetors are cheap—or at least cheaper than EFI. Those points have not ...

The earliest and simplest type of fuel injection, single-point simply replaces the carburetor with one or two fuel-injector nozzles in the throttle body, which is the throat of the engine’s air intake ...

The carbureted car and truck era phased out by the early '90s. Carbs are still in use today on a few motorcycles, lawn mowers, and other power equipment, but electronic fuel injection (EFI) is ...

Although not sold in a Pontiac since 1981, the traditional Pontiac V-8 engine continues to benefit technologically from a seemingly endless array of new parts that are being developed to increase ...

A classic car is more than a way to get from A to B. It is a rolling time capsule, and few parts define its character as strongly as the way it breathes and burns fuel. The argument over whether a ...

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 ...

What Is F-150 Throttle Body Cleaning? Throttle body cleaning is a form of fuel injection maintenance that can help improve the performance of your F-150's engine once your truck has been driven 75,000 ...

You love late-model muscle cars, but do you understand what makes them tick? Do you know why your '10 Camaro SS not only has more power than equivalent cars of the '60s, but also with vastly better ...

You must have often heard of terms like MPFI, DI, SFI etc pertaining to car fuel intake systems. But what are these and how do they function? MPFI, DI, SFI, TBI are all types of fuel injectors or fuel ...