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Home >> Hyundai >> 2022 >> Tucson Plug-In Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (7 Of 8) >> 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

Troubleshooting Condition Possible Cause
Main Action
  • Electrical inspection
  1. Poor contact of connector
  2. O2 Sensor (Down)
Prerequisite Condition
  • The battery voltage is higher than 10.7V
  • The lambda is than 1.1 for 8 sec
Threshold Value
  • The voltage of the O2 Sensor (Down) is greater than 0.76~0.82V
Diagnostic Time
  • 10 sec
MIL
  • 2nd Driving Cycle
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