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Home >> Kia >> 2005 >> Rio Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> DTC Troubleshooting >> DTC P0301: Cylinder 1 - Misfire Detected >> Inspection/Repair >> System Inspection >> Spark Plug Inspection

Spark Plug Inspection

  1. Remove suspect cylinder's spark plugs.
  2. Visually/physically inspect the following items:
    • Damaged insulation, Worn electrodes, Oil or fuel fouled, Loose terminals and cracks
    • Check for plug gap: 1.0 - 1.1 mm (0.039 - 0.043 in.)
    • Check if the spark plug for the relevant cylinder is lighter in color than the other plugs.
  3. Was a problem found in any of the above areas?

    YES

    1. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO

    1. Go to "FUEL INJECTOR INSPECTION " procedure.
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