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Home >> Land Rover >> 2004 >> Range Rover HSE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - With Codes >> Diagnostic Tests >> DTC P0133: O2 Sensor Ageing Fault, Upstream Bank 1 - Minimum Signal >> Bosch ME7.2 EMS O2 Sensor Ageing Fault, Upstream Bank 1: Last Occurrence - Minimum Signal >> Possible Causes
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Possible Causes

  1. Bank 1 upstream O2 sensor. See step  1 under CHECK.
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