Home >> Land Rover >> 2003 >> Range Rover >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - With Codes >> Diagnostic Tests >> DTC P0153: O2 Sensor Ageing Fault, Upstream Bank 2 - Minimum Signal >> Bosch ME7.2 EMS DTC P0153 - O2 Sensor Ageing Fault, Upstream Bank 2: Last Occurrence - Minimum Signal >> Possible Causes