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Home >> Hyundai >> 2007 >> Entourage GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2271 O2 Sensor Signal Stuck Rich (Bank 1 / 2 Sensor 1) >> DTC Detecting Condition
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DTC P2271 O2 Sensor Signal Stuck Rich (Bank 1 / 2 Sensor 1): DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible cause
DTC Strategy
  • Monitor HO2S's signal
  • Poor Connection
  • Faulty HO2S
  • Faulty PCM
Enable Conditions
  • Battery voltage ≥ 10V
  • Engine running ≥ 60sec.
  • Power Enrichment conditions
  • Engine warm-up state
  • Not in Transient Conditions
Threshold value
  • HO2S's signal > 0.42V
Diagnosis Time
  • Continuous (More than 8 sec. failure for every 9 sec. Test)
MIL On Condition
  • 2 Driving Cycles
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