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Home >> Kia >> 2017 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 6) >> DTC P0300-00: Random/Multiple Cylinder Misfire Detected >> System Inspection >> Engine Compression Pressure Inspection
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Engine Compression Pressure Inspection

  1. Measure compression pressure of the each cylinder.

    Specification:

    10.0kgf/cm2 (300 ~ 350 RPM)

    Limit: 8.5kgf/cm2 (300 ~ 350 RPM)

    Differential pressure among cylinders: Below 1.0kg/cm2

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  • Check for excessive engine coolant consumption. If the coolant consumption is large, check the coolant line, engine block, cylinder head, or head gasket. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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