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Home >> Kia >> 2009 >> Optima EX, 2.7 4 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 3) - 2.7L >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> Scan Tool Diagnostics >> Monitor Scan Tool Data
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Monitor Scan Tool Data

  1. Connect scan tool to Data Link Connector (DLC).
  2. IG "ON".
  3. Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.
  4. Read "DTC Status" parameter.
    Fig 1: Screen Display - DTC Status
    G06421293Courtesy of KIA MOTORS AMERICA, INC.
  5. Is parameter displayed "Present fault"?

    YES 

    NO 

    • Clear DTC and check if this DTC is set after test-driving under enable conditions. If DTC isn't displayed after the test, it was intermittent fault. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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