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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0301: Cylinder 1-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 as below:
    1. Leaky or sticky valves or rings.
    2. Excessive valve deposits.
    3. Weak valve spring.
    4. 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