Exhaust gas temperature sensor, removing and installing

Remove bolts (arrows) and remove engine covers -A- and -B-.

Fig 1: Removing Bolts And Remove Engine Covers
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Remove air distributor (arrows).

Fig 2: Removing Air Distributor
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Disconnect both connectors -2- from control modules for exhaust gas temperature.
Remove control module from intake manifold and set wires aside.

Fig 3: Disconnecting Connectors From Control Modules For Exhaust Gas Temperature
Courtesy of AUDI OF AMERICA, INC.
For vehicles with manual transmission, control modules for exhaust gas temperature are at rear of intake manifold, on left and right.

Fig 4: Identifying Modules For Exhaust Gas Temperature - Vehicles With Manual Transmission
Courtesy of AUDI OF AMERICA, INC.
Remove exhaust gas temperature sensor from exhaust manifold.

Fig 5: Removing Exhaust Gas Temperature Sensor From Exhaust Manifold
Courtesy of AUDI OF AMERICA, INC.