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Home >> Genesis >> 2021 >> G80 3.5T, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.5L (8 Of 9) >> DTC P2270-00: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) >> DTC Information And Inspection >> DTC Description

DTC Description

P227000 is set when the voltage of the rear Oxygen Sensor (B1S2) indicates that the air fuel ratio is lean even though the air-fuel ratio control is active due to the rich air fuel mixture.