Ford Focus 1.0 EcoBoost Spark Plug Change DIY

The Ford 1.0 EcoBoost engine makes the most of just three cylinders, but it's important that they're firing correctly - here's how to change your spark plugs in a Mk3 Focus, Mondeo or Mk7 Fiesta!
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Also something to note around Car Mechanics: We like to show you how we’ve gone about various aspects of car maintenance and repairs, but we can't promise that anything we show you will work for your particular car, or that you won't harm yourself, someone else, your car or your warranty doing it. Please be safe, be responsible and unless you know what you're doing, do not attempt any potentially dangerous work on cars just because you've seen us make it look so easy. Talk to a qualified mechanic if you are in any doubt.

[@stephenk0nig252]

The bit that confused me was how to remove the wire to the coil pack. Move the grey locking tab but also to release it squeeze underneath with a small screwdriver blade. I thought torque was a bit less (13Nm?).

[@AshLongie]

What size is sparkplugs?