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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (3.0L - Diesel Fuel Injection - Engine Code: CPNB) >> 23 Diesel Fuel Injection >> Fuel Injection System >> Schematic Overview - Fuel System

Schematic Overview - Fuel System

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel System Schematic
GWWA23-10667Courtesy of AUDI OF AMERICA, LLC
  1. Fuel Metering Valve -N290-
    • Do not open
  2. High Pressure Pump
  3. Fuel rail
    • For cylinder bank 1 (right)
  4. Fuel Pressure Regulator Valve -N276-
  5. Fuel Pressure Sensor -G247-
  6. Fuel rail
    • For cylinder bank 2 (left)
  7. Injector
  8. Fuel Supply Hose
    • Do not disassemble
    • Replace completely along with the restrictor
  9. Restrictor
    • There is remaining pressure in the fuel supply hoses
    • Not able to be replaced separately; replace the fuel supply hoses if they are faulty
  10. Transfer Fuel Pump -G6-
  11. Fuel Filter