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Home >> Hyundai >> 2009 >> Accent GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> P0300 Random/Multiple Cylinder Misfire Detected >> Monitor Scantool Data

Monitor Scantool Data

  1. Connect scantool to Data Link Connector (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Monitor the "Parameters related to Ignition and Misfire" on the scantool.
    Fig 1: Scantool Display - Current Data
    G04801690Courtesy of HYUNDAI MOTOR CO.
  4. Are the parameters displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM/PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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