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Home >> Land Rover >> 2015 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Electronic Engine Controls - V8 S/C 5.0L Petrol -- Range Rover/L405) >> Electronic Engine Controls - V8 S/C 5.0L Petrol >> Electronic Engine Controls DTC: Heated Oxygen Sensors (Ho2S) >> Diagnosis And Testing >> Diagnosis Of BOSCH Heated Oxygen Sensors (Ho2S)

Diagnosis Of BOSCH Heated Oxygen Sensors (Ho2S)

WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2014 Land Rover Range Rover, and 2013 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

A full description of oxygen sensor monitoring, can be found in the service information Documents Tab/Diagnostics Section/OBD II System Information

CAUTION: Diagnosis by substitution from a donor vehicle is NOT  acceptable. Substitution of control modules does not guarantee confirmation of a fault and may also cause additional faults in the vehicle being checked and/or the donor vehicle
NOTE: Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests

The purpose of this document is to aid in the correct diagnosis of Bosch Heated Oxygen Sensors (HO2S) and to prevent unnecessary installation of new parts. It may be deemed after diagnosis that a particular sensor has failed, in this case it would be expected that only the failed sensor is replaced and NOT  a complete vehicle set.

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