If any of you guys could give me advice on this would be grateful.

Driving my car this morning and was stuck behind a couple of cars doing 60mph when they moved out of the way, put my foot down and it wasnt as responsive as usual then when i got to about 80mph it missed a couple of times. Any ideas what this could be, nothing serious I hope!!!

Thanks

 

Oh Lozza, not more trouble for you? Jen.

 

uk car....about 3500rpm?

if so, sounds like it may be overboost mate, only a suggestion though

 

Changed the plugs recently??