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Home >> BMW >> 2008 >> M3 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P1602 - DTC U1153 (S65) >> MSS60 Engine Operating System DTCS >> DTC P2270, BMW Hex Code 0x273A, BMW Code 10042: O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 2) (PLAUS) >> Fault debouncing

Fault debouncing

After K_LAVK_OBD_ACT_NK_F_CNT (1x) RICH control events the oxygen sensor sticks at LEAN