Audi Workshop Service and Repair Manuals

Lambda probe - overview

Fitting location for engine codes BYT, BZB and BPU -Arrow- indicates electrical connector for Lambda probe -G39- and Lambda probe heater -Z19-.

Fitting location for engine codes BYT, BZB and BPU -Arrow- indicates Lambda probe -G39- and Lambda probe heater -Z19-

Fitting location for engine code CDAA 1 -  Electrical connector for Lambda probe -G39- and Lambda probe heater -Z19-

Fitting location for engine code CDAA 1 -  Lambda probe -G39- and Lambda probe heater -Z19-

Fitting location for engine code CDAA -Arrow- indicates electrical connector for Lambda probe after catalytic converter -G130- and Lambda probe 1 heater after catalytic converter -Z29-

Fitting location for engine code CDAA 1 -  Lambda probe after catalytic converter -G130- and Lambda probe 1 heater after catalytic converter -Z29- (arrow indicates direction of travel) l  Tightening torque: 55 Nm   Note t  Threads of new Lambda probes are already coated with assembly paste; the paste must not get into the slots on the probe body. t  In the case of a used Lambda probe grease only the thread with high-temperature paste. The paste must not get into the slots on the Lambda probe body. High-temperature paste → Parts catalogue t  When installing, the Lambda probe wire must always be reattached at the same locations to prevent it from coming into contact with the exhaust pipe. Engine codes BYT, BZB and BPU: Removing and installing Lambda probe -G39- and Lambda probe heater -Z19- → Chapter Engine code CDAA: Removing and installing Lambda probe -G39- and Lambda probe heater -Z19- → Chapter Engine code CDAA: Removing and installing Lambda probe after catalytic converter -G130- and Lambda probe 1 heater after catalytic converter -Z29- → Chapter