Schematic Overview - Fuel System, Version 2

Keep in mind that there are different connection versions for the fuel lines on the fuel filter.

Green  = fuel supply

Blue  = fuel return

The arrows show the fuel flow direction.

Fig 1: Exploded View Of Fuel System Version 2

Courtesy of AUDI OF AMERICA, LLC

1. Fuel Injector
   • Overview. Refer to OVERVIEW - FUEL INJECTORS .
   • Removing and installing. Refer to FUEL INJECTORS, REMOVING AND INSTALLING .
2. Restrictor
3. Fuel Pressure Sensor -G247-
   • Overview. Refer to OVERVIEW - HIGH PRESSURE RESERVOIR (FUEL RAIL) .
   • Removing and installing. Refer to FUEL PRESSURE SENSOR -G247-, REMOVING AND INSTALLING .
4. High Pressure Reservoir (Rail)
   • Overview. Refer to OVERVIEW - HIGH PRESSURE RESERVOIR (FUEL RAIL) .
   • Removing and installing. Refer to HIGH PRESSURE RESERVOIR (FUEL RAIL), REMOVING AND INSTALLING .
5. Fuel Pressure Regulator Valve -N276-
   • Overview. Refer to OVERVIEW - HIGH PRESSURE RESERVOIR (FUEL RAIL) .
   • Removing and installing. Refer to FUEL PRESSURE REGULATOR VALVE -N276-, REMOVING AND INSTALLING .
6. High Pressure Pump
   • Overview. Refer to OVERVIEW - HIGH PRESSURE PUMP .
   • Fuel Metering Valve -N290-
   • Removing and installing. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .
7. Fuel Temperature Sensor -G81-
8. Fuel Filter
   • Overview. Refer to OVERVIEW - FUEL FILTER [CRUA] .
9. Fuel Tank
   • With the Transfer Fuel Pump -G6-
   • Overview. Refer to OVERVIEW - FUEL TANK [CNSB, CNTC] / OVERVIEW - FUEL TANK [CRUA] .