Overview - Exhaust Temperature Regulation

Fig 1: Exploded View Of Exhaust Temperature Regulation

Courtesy of AUDI OF AMERICA, LLC

1. Differential Pressure Sensor -G505-
   • Refer to OVERVIEW - HEATED OXYGEN SENSOR .
2. Oxygen Sensor 1 Before Catalytic Converter -GX10-
   • Refer to OVERVIEW - HEATED OXYGEN SENSOR .
3. Oxygen Sensor 1 after Catalytic Converter -GX7-
   • Refer to OVERVIEW - HEATED OXYGEN SENSOR .
4. Exhaust Gas Temperature Sensor 3 -G495-
   • 45 Nm
   • Removing and Installing. Refer to Exhaust Gas Temperature Sensor 3 -G495-, REMOVING AND INSTALLING .
5. Exhaust Gas Temperature Sensor 4 -G648-
   • 45 Nm
   • Removing and Installing. Refer to Exhaust Gas Temperature Sensor 4 -G648-, REMOVING AND INSTALLING .