Front Oxygen Sensor Removal (B205L/R & B235R)
- Remove the top engine cover. See Fig 1 .
- Detach the oxygen sensor connector from the holder. See Fig 2 .
- Remove the bypass pipe and heat shield.
- Cut the cable tie for the oxygen sensor and pull out the cables.
- Release the oxygen sensor from the turbo outlet pipe.
NOTE:
The leads must not be twisted. The oxygen sensor is highly sensitive to knocks and blows and must be handled with care.