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Home › Kia › 2016 › Rio EX, 4D Hatchback › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (3 Of 3) › 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
  • No signal activity
  1. Poor connection
  2. Open or Short to ground in harness
  3. HO2S (S2)
  4. ECM
Enable Conditions
  • Mass flow: 20~120 kg/h
Threshold Value
  • Downstream O2S voltage < 0.65V
Diagnostic Time
  • 8 sec
MIL ON Condition
  • 2 Driving Cycles
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