Audi R8 2008 Service Training Manual page 27

Fuel (Rail) 2
Return Line
Fuel Pump (FP)
Control Module J538
To Fuel Injectors N83 - N86
(Cylinders 5-8)
Pressure Limiting Valve (136 Bar)
Engine
Fuel Pressure Sensor G247
Fuel (Rail) 1
Fuel Injectors N30 - N33
(Cylinders 1-4)
Fuel Tank
Transfer Fuel
Pump (FP) G6
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