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 throttle body is a key component of a car's fuel/air delivery system, but carbon deposits and other debris can clog up ...

Given the current price for a gallon of gas in Southern California ($4.55 as this goes to print!) and elsewhere in the good ol' US of A, there's no better time than now to make that old gas guzzling ...

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 throttle body is a housing with a valve that regulates airflow into an engine’s intake manifold. The throttle body resembles the base of a carburetor, and some low-cost fuel-injection systems had ...

In the past, trying to convert your older truck from standard carburetion to modern fuel injection was not only difficult, it was costly as well. Assuming you could install all the parts correctly, ...

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 ...

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 ...

The inside of your engine is a dirty place. These products can help. While modern cars and trucks run better than ever before, and with less maintenance than ever before, thanks to computers, sensors, ...

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 ...