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Replace Engine Spark Plugs

Model: Honda Civic MK 7 - Years 2001-2006
Part: Spark plugs

Gently remove the plastic cover protecting the engine by undoing the four securing screws. To avoid mixing up the leads, disconnect only the first spark plug. Using a 10 mm socket spanner, undo the retaining nut of the first spark plug and pull the connector upwards. The first spark plug is located at the bottom of the well. Before proceeding with the removal, clean the wells thoroughly with compressed air to eliminate any dirt that could fall into the combustion chamber. Using the appropriate spark plug tool, which has a rubber gripping device, carefully insert it onto the spark plug head and undo it. Be careful not to drop any foreign objects into the well. Replace the spark plug with one of the same model, inserting it carefully into the well, always using the appropriate tool, and turn it gently, ensuring it screws in correctly. If you feel resistance, remove it and try again. Spark plugs should be tightened with a torque wrench; if you do not have one, tighten without overdoing it. Repeat the same procedure for the other spark plugs.

Updated on 8 February 2026 by ScegliAuto

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