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Home › Kia › 2013 › Soul Base, Automatic Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (3 Of 3) - 1.6L › DTC P2271: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) › General Information › DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • No signal activity
  1. Poor connection
  2. Short to Power in signal circuit
  3. HO2S(B1/S2)
  4. ECM
Enable Conditions
  • Mass flow: 20~120kg/h
  • Delta Mass Flow 2kg/h
Threshold Value
  • Downstream O2S voltage > 0.65V(8sec)
  • Downstream O2S voltage(Fuel cut) > 0.25 V (0.2sec)
Diagnostic Time
  • -
MIL ON Condition
  • 2 Driving Cycles
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