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Home >> Honda >> 2008 >> Element SC, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0139: Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Slow Response >> Notes

DTC P0139: Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Slow Response: Notes

Fig 1: Secondary Heated Oxygen Sensor 2 Heater Circuit Diagram
G04816782Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Secondary Heated Oxygen Sensor Output Voltage - Graph
G04817971Courtesy of AMERICAN HONDA MOTOR CO., INC.