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Home >> Hyundai >> 2021 >> Ioniq Plug-In Hybrid SE >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System (PHEV) >> Spark Plug >> Repair Procedures >> Inspection >> Component Inspection
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Component Inspection

  1. Check the spark plug for any damage on its thread and insulator.

    If there is damage, replace the spark plug.

    CAUTION:
    • Be careful that no contaminates enter into spark plug holes.
  2. Check the electrode. Measure the insulation resistance with an ohmmeter.

    If the resistance is less than the specified value, adjust the electrode gap.

    Specification:  10 MΩ or more

    G13562741Courtesy of HYUNDAI MOTOR AMERICA
  3. Check the spark plug electrode gap.

    If the gap is greater than the maximum, replace the spark plug.

    Specification:  0.7 - 0.8 mm (0.0275 - 0.0315 in)

    NOTE:
    • When adjusting the gap of a new spark plug, bend only the base of the ground electrode. Do not touch the tip.

      Never attempt to adjust the gap on a plug being used.

    G13562742Courtesy of HYUNDAI MOTOR AMERICA