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Repair Procedures: Inspection

  1. Inspect the electrodes (A) and ceramic insulator (B).
    Fig 1: Identifying Electrodes And Ceramic Insulator
    G08809464Courtesy of HYUNDAI MOTOR AMERICA
    INSPECTION OF ELECTRODES

    Condition Dark deposits White deposits
    Description
    • Fuel mixture too rich
    • Low air intake
    • Fuel mixture too lean
    • Advanced ignition timing
    • Insufficient plug tightening torque
  2. Check the electrode gap (A).

    Standard: 

    1.0 ~ 1.1 mm (0.0394 ~ 0.0433 in.)

    Fig 2: Checking Electrode Gap Using Tool
    G08809465Courtesy of HYUNDAI MOTOR AMERICA
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