To remove

Unplug the connector for the oxygen sensor and carefully lower the cable.

Fig 1: Unplugging Connector
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Raise the car. CV: Remove Chassis reinforcement, front supporting frame, CV
Remove the lower turbocharger pressure pipe.

Fig 2: Removing Lower Turbocharger Pressure Pipe
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Bend out the corner of the heat shield slightly.

Fig 3: Identifying Heat Shield
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Run the cable forward and remove the oxygen sensor.

Fig 4: Removing Oxygen Sensor
Courtesy of SAAB-SCANIA OF AMERICA, INC.