EFI known as Electronic Fuel Injection. It will denote fuel injection
system is control by electronic system.EFI system can be divided into three
parts.
- Fuel supply System
- Air supply System
- Ignition system
Fuel supply System
 |
| Fuel supply System |
In here fuel which having in the fuel tank are pressured by
fuel pump. After fuel filtered by filter. Then fuel is pump in to Fuel Rail. Fuel
Rail are connected with injecter.Then computer control the injector .injector
will open because of cpu current. Amount of fuel control by computer unit.
Air supply System
 |
| Air supply System |
Air that will enter to engine are measured. Amount of fuel
also measured. Computer will calculate effort using these two value. After
computer will decided amount of fuel that injector inject to the engine according
to graph speed vs engine effort.
Ignition system
 |
| Ignition system |
In new engine Ignition system also control by computer.
Computer design to Ignition order according to that graph.
Because of this system.EFI system will save fuel and It will
increase engine efficiency.
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