Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

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

Video tutorial

Related tutorials

How to replace the spark plugs on the Ford Focus 2
How to replace the spark plugs on the Ford Focus 2
Ford Focus (2004-2011 / MK 2, Focus 2) .. Today we will explain how to replace the spark plugs of the Ford Focus 2 in a simple and fast way. To perform this operation,.. …
Instructions for Replacing Spark Plugs
Instructions for Replacing Spark Plugs
Ford Focus (1998-2004 / MK 1) If you need to replace the spark plugs, the first recommendation is to allow the engine to cool down; at this point, remove the fixing screw of the i…
Replacing Engine Spark Plugs
Ford Focus (1998-2004 / MK 1) Disconnect the negative terminal of the battery. Obtain a set of spark plugs identical to the originals. Using a 10 mm socket, unscrew the sealing nu…

Other guides you may be interested in

How to Check the Oil Level on a Jeep Renegade?

To check the oil level on a Jeep Renegade, you need to open the bonnet to access the components inside the engine bay: on the lower left side of the engine block, you will find the dipstick for checking the level. This should be pulled out and thoroughly cleaned with a cloth: once cleaned, reinsert it back into its tube and pull it out immediately after. This way, you can check that the oil mark is between the minimum and maximum levels; finally, you can place the dipstick back in its tube.

Watch the video!


by ScegliAuto

More videos