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Home >> Kia >> 2016 >> Rio LX, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0139: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) >> General Information >> DTC Description

DTC Description

Checking output signals from HO2S under detecting condition, if the HO2S's response time is too long, ECM sets P0139.

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