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Home >> Kia >> 2009 >> Optima EX, 2.7 4 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - 2.7L >> Repair Procedures >> Replacement >> Spark Plug

Spark Plug

  1. Remove the ignition coil connector (A).
    Fig 1: Identifying Ignition Coil Connector
    G06415740Courtesy of KIA MOTORS AMERICA, INC.
  2. Remove the ignition coil.
  3. Using a spark plug socket, remove the spark plug.
    CAUTION: Be careful that no contaminants enter through the spark plug holes
  4. When replacing the spark plug, always use the long reach type spark plug.
    1. Color Marking (Tip)
      1. [2.7L]

        Unleaded: Yellow Marking

        Leaded: Green Marking

    2. Length (Tip-Tip/PT Length)
      1. [2.7L]
      2. 83.2mm/26.5mm
      3. Others: The length is different from the specification above.
    3. Part ID
      1. [U2.7]

        Unleaded: ILFR5B11

        Leaded: LFR5A

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