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Home >> Hyundai >> 2011 >> Accent GL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0140: O2 Sensor Circuit No Activity Detected (Sensor2) >> General Information >> DTC Description
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DTC Description

If there is not any signal activity, ECM sets DTC P0140.

(This DTC might be caused by the malfunction of Heater circuit, so, check the heater circuit first.)

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