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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Engine Control System Diagnosis - 2.0L (3 Of 3)) >> DTC P2271-00: O2 Sensor Signal Stuck Rich (Bank 1 / Sensor 2) >> DTC Information And Inspection >> DTC Description

DTC Description

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.

The PCM tests rear HO2S signal level during the time the lambda target point is being shifted to rich to determine rear HO2S signal stuck. The PCM sets DTC P2271-00 if rear HO2S signal is below the predetermined threshold while target lambda point is being shifted to the predetermined value. If the same error code is set in the next driving cycle, the PCM illuminates the MIL.

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