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Home >> Hyundai >> 2004 >> Accent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0138: O2 Sensor Circuit High Input (Bank1/SESN0R2) >> DTC Detecting Condition >> 1.6 DOHC
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1.6 DOHC

1.6 DOHC DETECTING CONDITION

Item Detecting Condition Possible cause
Monitoring Strategy
  • Signal check, High
  • Short to battery in control circuit
  • Faulty HO2S
  • Faulty PCM
Threshold value
  • Sensor voltage: > 1.08V
Enable Conditions
  • Short circuit
Diagnostic Time
  • 5 sec
Fail Safe
  • None
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