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Spark Plug: Removal

CAUTION: Do not attempt any maintenance on spark plugs if engine is hot.
  1. Disconnect negative battery terminal.
  2. Carefully remove high-tension leads.
  3. Use compressed air to blow any dirt or debris from around spark plug hole.
  4. Check that spark plug fits squarely in spark plug socket and remove spark plug.
    Fig 1: Checking That Spark Plug Fits Squarely In Spark Plug Socket
    G01106173Courtesy of KIA MOTORS AMERICA, INC.