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Home >> Hyundai >> 2024 >> Elantra N Standard Trans >> 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 And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • Electrical Monitoring
  1. Poor contact of connector
  2. O2 Sensor (Down)
Prerequisite Condition
  • No fuel cut off
  • No full load condition with lower than 90% of accelerator pedal value
  • Catalyst overheating prevention is not activated
  • Battery voltage is between 10V and 16V
Threshold Value
  • The voltage of the O2 Sensor (Down) is less than 0.75 when the lambda set point is 0.8
Diagnostic Time
  • 7 sec. after lambda set point shift to corresponding side
MIL
  • 2nd driving cycles
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