Cylinder 1 misfire

[Cfallon]

I’ve got a 2010 Ibiza cupra 1.4tsi that has a cylinder 1 misfire changed spark plugs and checked coils and nothing fixed it any ideas ?
thanks

 

[RUM4MO]

Maybe a bit of bedtime reading:- https://www.seatcupra.net/forums/threads/lucifers-ultimate-guide-1-4tsi-fundamental-problems.407682/