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Home >> Kia >> 2010 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) >> DTC P0300: Random/Multiple Cylinder Misfire Detected >> Scantool Diagnostics >> Monitor Scantool Data

Monitor Scantool Data

  1. Is the power balance test done?

    YES 

    • If injector connector for power balance test is disconnect for over 46 sec., this can cause DTC relating to misfire. Stop the test and connect it and delete DTC and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    • If power balance test is finished within 46 sec., go to next procedure.

    NO 

    • Go to " 2 Monitor scantool data" as follows.
  2. Monitor scantool data
    1. Ignition "OFF"
    2. Connect Scantool and Engine "ON"
    3. Monitor parameters related to "Random Misfire Detected" on CURRENT DATA
      1. Specification:
        SPECIFICATION

        Ignition BTDC 10° ± 5°
        Idle speed 650±100 rpm
        Fig 1: Scantool Display - Current Data
        G06836647Courtesy of KIA MOTORS AMERICA, INC.
    4. Are the parameters related to "Random/Multi Misfire Detected" displayed correctly on Current Data?

      YES 

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

      NO 

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