What does electronic fuel injection mean?

That is, electronic fuel injection device, abbreviated as EFI device. It replaces the carburetor of the traditional automobile engine fuel supply system and controls the fuel supply with a microcomputer, which effectively reduces the fuel consumption, improves the driving performance and reduces the exhaust pollution.

The electronic fuel injection device uses various sensors to convert engine load, speed, acceleration and deceleration, intake air temperature, coolant temperature and other changes into electrical signals, which are input into the microcomputer (control box). After calculation, the computer sends a signal to control the opening time and duration of the nozzle, thus providing the most suitable fuel supply for the engine.

Extended data:

Electronically controlled fuel injection system (EFI) of automobile engine was born on the basis of drawing lessons from the gasoline injection technology of aero-engine, and it has matured with the continuous development of electronic control technology and the gradual improvement of fuel consumption and exhaust emission regulations.

1934, Germany successfully developed 1 fuel injection military fighter by using the technology of injecting gasoline into the intake pipe of aircraft engine invented by Wright brothers.

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