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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 P2271-00: O2 Sensor Signal Stuck Rich (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 inspection
  1. Poor contact of connector
  2. O2 Sensor (Down)
Prerequisite Condition
  • The battery voltage is between 10V and 16V
Threshold Value
  • The voltage of the O2 Sensor (Down) is less than 0.2V when the lambda set point is 1.15
Diagnostic Time
  • 7 seconds
MIL
  • 2nd driving cycles
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