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DIRECT FUEL INJECTION SYSTEM CONSTRUCTION/OPERATION [L3 Turbo]

id0114b4730200

## Construction

• The direct fuel injection system consists of a high pressure fuel pump, fuel injectors, injector driver module, fuel pressure sensor, and a relief valve.

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1 | Fuel tank
2 | High pressure fuel pump
3 | Fuel injector
4 | Relief valve
5 | Fuel pressure sensor
6 | Connected to injector driver module

## Operation

• Fuel is injected during the intake process and diffused uniformly in the combustion chamber by the flow of intake air.
• Fuel injection timing is explained in CONTROL SYSTEM and FUEL INJECTION CONTROL.