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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 › 1.5 SOHC

1.5 SOHC

1.5 SOHC 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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