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Home >> Hyundai >> 2007 >> Tiburon GS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0L) >> DTC Troubleshooting Procedures >> DTC P0300 Random/Multiple Cylinder Misfire Detected >> Fuel Injector Inspection

Fuel Injector Inspection

  1. Check the fuel injectors for clogging or any restrictions

    Test Condition: Ignition "OFF"

    Specification: No clogging and restriction

  2. Is the fuel injector OK?

    YES: 

    • Visually/physically inspect the engine mechanical problem below:
    • Leaky or sticky valves or rings
    • Excessive valve deposits
    • Weak valve spring
    • Leaking head gasket

    If NG, repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    If OK, go to "IGNITION COIL INSPECTION " procedure.

    NO: