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Home >> BMW >> 2013 >> 760Li >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis (N74) - 760LI - DTC P10B6 - P2273 (BMW DTC 10C004 - 12A201) >> DTC P2297: BMW DTC 128501; DME -- O2 Sensor Out Of Range During Deceleration (Bank 1 Sensor 1) >> Action in service

Action in service

  1. Visual inspection of lines and connectors (water or corrosion in connector?)
    1. Unplug connector and FIRMLY reconnect several times
  2. Measure lines
  3. Check catalytic converter (FSD fault 'lean on other cylinder bank' may be entered)
  4. Are piston rings, fuel injectors, crankshaft ventilation, fuel tank vent valve OK? FSD fault? Then continue there.
  5. Replace sensor lines or connectors if necessary
  6. Replace sensor