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Home >> Hyundai >> 2017 >> Veloster Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) - 1.6L GDI >> DTC P0300: Random/Multiple Cylinder Misfire Detected >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Monitor the "Parameters related to Ignition and Misfire" parameter on the "Current  Data" with GDS.
    Fig 1: Parameters Related To Ignition & Misfire Parameter On Current Data (1 Of 2)
    G12121253Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Parameters Related To Ignition & Misfire Parameter On Current Data (2 Of 2)
    G12121254Courtesy of HYUNDAI MOTOR AMERICA
  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 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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