Schematic Overview - Fuel System, Version 1

Red  = fuel supply line.

Blue  = fuel return line.

The arrows show the fuel flow direction.

Fig 1: Exploded View Of Fuel System, Version 1

Courtesy of AUDI OF AMERICA, LLC

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