Lesson 3 – Powertrain
Fuel Charging and Controls
High-Pressure Fuel System
E179607
1
Throttle Body (TB)
2
Fuel rail
The high pressure fuel system consists of the following
components:
• Mechanical high pressure fuel pump with
incorporated fuel metering valve
• High pressure fuel line
• High pressure fuel rail
• FRP (fuel rail pressure) sensor
Service Training
2
1
Fuel Charging and Controls
5
3
3
Fuel injector
4
High-pressure fuel pump drive unit
5
High-pressure fuel pump
4
35