Component Location Overview - Injection System, Engine Compartment

Fig 1: Fuel Injection System Component Location

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Engine Control Module -J623-
   • Removing and Installing. Refer to Engine Control Module -J623- WITH PROTECTIVE HOUSING, REMOVING AND INSTALLING .
2. Mass Airflow Sensor -G70-
   • Removing and Installing. Refer to Mass Airflow Sensor -G70-, REMOVING AND INSTALLING .
3. EGR Temperature Sensor -G98- Connector
4. Connector
   • For the Map Controlled Engine Cooling Thermostat - F265-, Fuel Metering Valve -N290- and Map Controlled Engine Cooling Thermostat -V338-
5. Restrictor
   • In the fuel return line
6. Bracket to Plenum Chamber Bulkhead
   • For the Heated Oxygen Sensor -G39- connector
   • For the Exhaust Gas Temperature Sensor 3 - G495- connector
   • For the Differential Pressure Sensor -G505-
   • For the Exhaust Gas Temperature Sensor 4 -G648- connector
7. Fuel Temperature Sensor -G81-
8. Turbocharger Control Module 1 -J724-
   • On the left turbocharger
9. Cylinder Head Coolant Valve -N489-
10. Heated Oxygen Sensor -G39- with Oxygen Sensor Heater -Z19-
    • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
    • Removing and Installing. Refer to Oxygen Sensor 1 before Catalytic Converter -GX10-, REMOVING AND INSTALLING .
11. EGR Motor -V338-
    • Removing and Installing. Refer to EGR Motor -V338-, REMOVING AND INSTALLING .
12. Engine Coolant Temperature Sensor -G62-
13. Fuel Pressure Sensor -G247-
    • Tightening specification Figure.
    • Removing and Installing. Refer to Fuel Pressure Sensor -G247-, REMOVING AND INSTALLING .
    • Reuse is possible Installing - The Fuel Pressure Sensor -G247- has a biting edge instead of a sealing ring. 
14. Fuel Filter
15. Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-
    • 5 Nm
16. Throttle Valve Control Module -J338-
    • Overview. Refer to OVERVIEW - INTAKE MANIFOLD .
17. Fuel Injector
    • Cylinder bank 2
18. Oil Pressure Regulation Valve -N428-
19. Engine Temperature Control Sensor -G694-
20. Intake Flap Motor -V157-
    • Overview. Refer to OVERVIEW - INTAKE MANIFOLD .
21. EGR Cooler Switch-Over Valve -N345-
    • Removing and Installing. Refer to EXHAUST GAS RECIRCULATION (EGR) .
22. Reduced Oil Pressure Switch -F378-
    • Removing and Installing. Refer to Oil Pressure Switch -F22- /Reduced Oil Pressure Switch -F378-, REMOVING AND INSTALLING .
23. Oil Pressure Switch -F22-
    • Removing and Installing. Refer to Oil Pressure Switch -F22- /Reduced Oil Pressure Switch -F378-, REMOVING AND INSTALLING .
24. Fuel Pressure Regulator Valve -N276-
    • Overview. Refer to FUEL INJECTORS/HIGH PRESSURE RESERVOIR (RAIL) .
    • Perform an adaptation after replacing the high pressure pump and / or the Fuel Pressure Regulator Valve -N276-. Use a Vehicle Diagnostic Tester to do so.
    • Removing and Installing. Refer to Fuel Pressure Regulator Valve -N276-, REMOVING AND INSTALLING .
25. Engine Coolant Temperature Sensor on Radiator Outlet -G83-
    • Removing and Installing. Refer to Engine Coolant Temperature Sensor on Radiator Outlet -G83-, REMOVING AND INSTALLING .
26. Fuel Injector
    • Cylinder bank 1