Oxygen Sensor Relay: Service and Repair

- Unfasten screws in cover.
- Remove cover.

Relay For Lambda Oxygen Sensor Heating (3):

- Remove relay (1) for lambda oxygen sensor heating.The relay supplies both lambda sensors 1 and 2 with electrical power.


CAUTION: Depending on condition of vehicle, the location of the relays can differ. If in doubt, pull the desired relay to test whether the correct function is interrupted.