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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (6 Of 6) (Except HEV) >> DTC P2626: O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1) >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal check, high
  1. Poor connection
  2. Open in signal circuit
  3. S1
Enable Conditions
  • Fuel cut condition
  • Sensor Ceramic Temp greater than 720 °C (1328 °F)
  • Exhaust Gas Temp less than 750 °C (1382 °F)
Threshold Value
  • Sensor voltage greater than 4.8 V
Diagnostic Time
  • Immediate
MIL ON Condition
  • 3 driving cycles

* S1: upstream oxygen sensor/S2: downstream oxygen sensor

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