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Home >> Hyundai >> 2007 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0) >> DTC Troubleshooting Procedures >> DTC P0133 Ho2S Circuit Slow Response (Bank 1/Sensor 1) >> Visual/Physical Inspection

Visual/Physical Inspection

  1. Visually/physically inspect the following items:
    • Check for corrosion on terminals
    • Check for terminal tension ( at the HO2S and at the ECM)
    • Check for damaged wiring
    • Check the HO2S ground circuit for a good connection
    • Check front and rear HO2S for connections being reversed.
  2. Was a problem found in any of the above areas?

    YES 

    NO 

    • Go to next step as below
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