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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Engine Control System Diagnosis - 3.3L (9 Of 9)) >> DTC P2271-00: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) >> DTC Information >> DTC Description

DTC Description

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Checking output signals from HO2S under detecting condition, if HO2S's signal is rich during fuel cut-off conditions, ECM sets P227100. MIL (Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 3 driving cycles.

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