Overview - Exhaust Temperature Regulation

WARNING: This page is about a different car, the 2020 Audi A4, 2019 Audi A4, 2018 Audi A4, and 2017 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Exhaust Temperature Regulation

Courtesy of AUDI OF AMERICA, LLC

Differential Pressure Sensor -G505-
- -item 1) OVERVIEW - HEATED OXYGEN SENSOR, VEHICLES WITH PARTICULATE FILTER
Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19-
- -item 2) OVERVIEW - HEATED OXYGEN SENSOR, VEHICLES WITH PARTICULATE FILTER
Oxygen Sensor after Catalytic Converter -G130- and Heater for Oxygen Sensor 1 after Catalytic Converter -Z29-
- -item 3) OVERVIEW - HEATED OXYGEN SENSOR, VEHICLES WITH PARTICULATE FILTER
Exhaust Gas Temperature Sensor 3 -G495-
- 45 Nm
- Removing and Installing. Refer to EXHAUST GAS TEMPERATURE SENSOR 3 -G495-, REMOVING AND INSTALLING .
Exhaust Gas Temperature Sensor 4 -G648-
- 45 Nm
- Removing and Installing. Refer to EXHAUST GAS TEMPERATURE SENSOR 4 -G648-, REMOVING AND INSTALLING .