Exhaust Gas Temperature Sensor 4 -G648-, REMOVING AND INSTALLING: Removing

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Disconnect the connector -1- and free up the wire.

Fig 1: Locating Exhaust Gas Temperature Sensor 3 -G495-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the Exhaust Gas Temperature Sensor 4 -G648- -2-.