3.0L TFSI CWGD

Fig 1: Identifying Exhaust Sensors (CWGD)

GWWA24-11715

Courtesy of AUDI OF AMERICA, LLC

1 - Oxygen sensor 1 after catalytic converter -GX7-
1 - Oxygen sensor after catalytic converter -G130-
1 - Heater for oxygen sensor 1 after catalytic converter -Z29-
2 - Oxygen sensor 1 before catalytic converter -GX10-
2 - Heated oxygen sensor -G39-
2 - Oxygen sensor heater -Z19-