missing underload!!!

[1lager43]

Hi, Can anyone help please!! i have a seat ibiza cupra 2.0 16v on a T plate and its just started to miss underload put my foot down in 2nd 3rd or 4th and it just starts spluttering around 3000rpm!! i have done the usual plugs, filter, clean the throttle body the last thing i can think of is the ignition leads breaking down underload? is there anyone with the same problem or has had the same problem? hope someone can help thanks!!!

 

[suj]

coil pack ready to go?

 

[Brummy]

Checked the HT's? also check for any cracks in any of the hoses

 

[Cupra Kid]

I've had this..................... get a compression test done, sounds like headgasket