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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) >> General Information >> DTC Description
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DTC Description

Checking output signals from HO2S under detecting condition, if an output voltage is approx. 0.45V or 3.5V for more than predetermined time, ECM sets P0140. MIL(Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle.

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