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How to Replace the Spark Plug

Model: Ford Focus MK 3 - Years 2011-2018
Part: Spark plugs

Open the bonnet of the engine compartment. Locate the position of the spark plugs, particularly the one to be replaced. Disconnect the electrical supply by moving the red lever to the open position, pressing the appropriate button, and pulling the connector. Using the appropriate socket, unscrew the bolt that secures the spark plug connector. Remove the connector and unscrew the spark plug with the suitable tool. Pull out the spark plug and replace it with the new one. Screw it into its housing, reposition the connector, and reconnect the electrical supply. The car on which the maintenance operation shown in the images is performed is a Ford Focus.

Updated on 21 February 2026 by ScegliAuto

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