help 1.8t missfire problem

[scottv6]

have a problem with the cupra r, when going over 80mph on full throttle the car shakes and engine light flashes, only happens on full throttle and only over 80, pluged into vagcom said missfire cylinder 1 so changed the coilpack and nothing has changed. any help please.

[Len]

Still getting the same error code?

[F17BAD]

Change spark plugs around

Then check

[scottv6]

yea code is p0301

thats next on the list brad doing it tomorrow,hoping its something cheap and simple tbh havnt got the money for a expensive repair.

[vrsjaw]

sounds like coil loom..av you done any think to ur car before this happened

[Chris.]

Coilpack, plugs, loom, fuel pump, maf, boost leak.