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How to Replace Spark Plugs on a Mazda 3

Model: Mazda 3 BK, MK 1 - Years 2003-2009
Part: Spark plugs

To replace the spark plugs on a Mazda 3, open the bonnet to access the components inside the engine bay. Here, at the top of the engine block, disconnect the connectors attached to the injectors so that they can be removed from their housing. Once the injectors have been removed, you can pull the spark plugs out of their housing and replace them with new spare parts. After the replacement, refit all the components that were removed earlier.

Updated on 13 July 2026 by ScegliAuto

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