LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2007 >> 750Li >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Codes - DTC P1230 - DTC U1135 (N62, N73) >> Me9.2.2 Engine Operating System DTCS >> DTC P2197, BMW Hex Code 0x2C4A, BMW Code 11338: O2 Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 1) (PLAUS) >> Possible Fault Causes

Possible Fault Causes

  1. LSU response curve shift toward lean side
  2. Exhaust system leak adjacent to oxygen sensor before/behind cat
  3. Wiring harness defect on O2 sensor wires (high-resistance shunt)
scientia non olet · About LEMON Manuals