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Replacing Spark Plugs and Ignition Coils

Model: Mazda 6 GH, MK 2 - Years 2008-2012
Part: Spark plugs

For safety, disconnect the negative terminal of the battery. Gently remove the plastic cover protecting the engine by lifting it upwards. To avoid confusion with the wires, disconnect only the first spark plug. Using a 10mm socket, unscrew the retaining nut of the first spark plug and pull the boot upwards. At the bottom of the well is the first spark plug. Before proceeding with removal, thoroughly clean the wells with compressed air to eliminate any dirt that could fall into the combustion chamber. Using the appropriate spark plug socket, which has a rubber gripping device, gently insert it onto the spark plug head and unscrew it. Proceed carefully to avoid dropping foreign objects into the well. Replace the spark plug with one of the same model, carefully inserting it into the well, always using the appropriate socket and turning it gently, ensuring it screws in properly without forcing. Remove the coils and replace them with new ones.

Updated on 8 February 2026 by ScegliAuto

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