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Home >> Kia >> 2012 >> Soul ! >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 2.0L >> DTC P2270: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Plausability check during shift of lambda setpoint to rich or lean (After P2096 / P2097 detection)
  1. Poor connection or damaged harness
  2. Rear HO2S
Enable Conditions
  • No fuel cut-off
  • No full load phase
  • No catalyst overheating protection
  • 11V < Battery voltage < 16V
Threshold value
  • Rear HO2S signal < 0.75V when lambda set point = 0.80
  • Downstrem O2 sensor signal too low
Diagnosis Time
  • 7 sec. after lambda set point shift to corresponding side
MIL On Condition
  • 2 Drive Cycles
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