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Home >> Hyundai >> 2021 >> Accent Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Heated Oxygen Sensor (HO2S) >> Repair Procedures >> Inspection >> Notes
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Repair Procedures: Inspection: Notes

  1. Turn the ignition switch OFF.
  2. Disconnect the HO2S connector.
  3. Measure resistance between HO2S heater terminals 3 and 4.
  4. Check that the resistance is within the specification.
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