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Home >> Kia >> 2004 >> Amanti >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) >> General Information >> DTC Description
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DTC Description

If the rear HO2S signal is less than 0.1V when the front HO2S signal is higher than 0.5V as a result of 15% fuel richer, the PCM judged as a fault and DTC is set.

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