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Home >> Hyundai >> 2004 >> Accent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0131: O2 Sensor Circuit Low Input (Bank1/Sens0R1) >> DTC Description
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DTC Description

P0131/P0137: ECM sets DTC P0131 if the PCM detects signal voltage lower than the possible range of a properly operating front heated oxygen sensor (HO2S). PCM sets DTC P0137 if the PCM detects signal voltage lower than the possible range of a properly operating rear heated oxygen sensor (HO2S).

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