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 ...

Your fuel pump pushes fuel from your gas tank through your fuel lines to your engine. Then, your fuel injectors are responsible for spraying just the right amount of gas into your combustion chambers ...

We earn commissions from purchases you make using links in our articles. Learn more. Fuel injector cleaners can help increase your car's performance and fuel economy. It's the easiest way to clean ...

The tip of the fuel-system spear, fuel injectors incorporate an electronically controlled valve and a nozzle that sprays fuel into each of an engine’s intake ports, or directly into its cylinders. Now ...