Component Location Overview - Engine from Rear, Vehicles with an SCR System

Fig 1: Engine Front Right, Vehicles with an SCR System Exploded View

Courtesy of AUDI OF AMERICA, LLC

1. Oil Level Thermal Sensor -G266-
   • Overview. Refer to OVERVIEW - OIL PAN/OIL PUMP .
2. EGR Motor 2 -V339-
   • Overview. Refer to OVERVIEW - EXHAUST GAS RECIRCULATION (EGR) .
3. EGR Temperature Sensor -G98-
   • Removing and Installing. Refer to EGR Temperature Sensor -G98-, REMOVING AND INSTALLING .
4. Exhaust Gas Temperature Sensor 1 -G235-
   • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
5. NOx Sensor -G295-
   • Overview. Refer to OVERVIEW - EXHAUST TEMPERATURE REGULATION, VEHICLES WITH SCR SYSTEM .
6. Heated Oxygen Sensor -G39- with Oxygen Sensor Heater -Z19-
   • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
   • Heated Oxygen Sensor -G39- Connector. Refer to Figure.
7. Exhaust Gas Temperature Sensor 3 -G495-
   • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
   • Exhaust Gas Temperature Sensor 3 -G495- Connector. Refer to Figure.
8. Exhaust Gas Temperature Sensor 2 -G448-
   • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
   • Exhaust Gas Temperature Sensor 2 -G448- Connector. Refer to Figure.
9. Reducing Agent Injector -N474-
   • Removing and Installing. Refer to Reducing Agent Injector -N474-, REMOVING AND INSTALLING .
10. Exhaust Gas Temperature Sensor 4 -G648-
    • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
    • Connector for Exhaust Gas Temperature Sensor 4 -G648-. Refer to Figure.
11. Heater Support Pump -V488-
    • Overview. Refer to OVERVIEW - ELECTRIC COOLANT PUMP .