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Home >> Kia >> 2017 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC P2270-00: O2 Sensor Signal Stuck Lean (Bank 1 / Sensor 2) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring signal
  • Poor connector connection
  • O2 Sensor
  • Blockage of fuel pump
  • ECM
Enable Conditions
  • -
Threshold Value
  • Downstream O2 Sensor voltage less than 0.75 when lambda is rich
Diagnostic Time
  • -
MIL ON Condition
  • 2 driving cycles
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