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 ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

Fuel injectors don't just deliver fuel. They meter it, shaping the spray so the air-fuel mixture burns in the way the engine wants it to. When deposits build up, injector fuel flow can decrease and ...

When electronic fuel injection first appeared on performance cars, it represented a major shift in the comfort zone of many hot rodders. Turning screws, replacing jets, and setting float levels were ...

Fuel injectors rarely get the same attention as turbochargers, superchargers, or cylinder heads, but they play a far more critical role than most enthusiasts realize. Every fuel-injected engine, ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

The injector is electronically controlled. It is provided pressurized fuel by the car’s fuel pump and has a high micron filter at the top and small holes at the bottom. The filter ensures that any ...

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 ...

After finishing his post-graduate work in English and Language Studies, Morgan served as an editor and copywriter for a range of trade magazines, including infrastructure maintenance, natural resource ...

The first production gasoline car with fuel injection was not the famous Mercedes 300 SL, but a tiny postwar German car that ...

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 ...