Matt Cup
ClioSport Club Member
Leon Cupra
You may want to have a gander in here just in case you have more issues with your spark plugs.
cliosport.net

Spark plug timesert repair?
Well, mine did it as well, and yes, on #3 cylinder (and while checking the others, #1 didn't tighten either. I have a Facom timesert set coming (tbh it looks like the cheap ebay ones....), but hey, who can afford the Würth sets? :eek: I get the general principle, ( liberally grease the tap) but...
