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Repair procedures: Inspection

  1. Inspect the electrodes (A) and ceramic insulator (B).
    Fig 1: Electrodes And Ceramic Insulator
    G10367223Courtesy of HYUNDAI MOTOR AMERICA

    Inspection Of Electrodes 

    ELECTRODES CONDITION DESCRIPTION

    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
    G10367224Courtesy of HYUNDAI MOTOR AMERICA
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