Feels like a missfire and low down boost is jerky

[spudboy6]

My car sounds as it has a very small missfire and the rev counter isn't very stable it is slightly hopping up and down

Also when driving its like holding back on boost when driven normally just going up the gears goes to boost , doesn't then gives you a jerk

No fault codes stored its very premature but I'm sure something is giving up

Wondering if maybe a coil is going and the N249 valve ?

Any experiences

Thanks

 

[Dave_c85]

If it's a coil you will notice it spluttering on high boost

Sent from my C6903 using Tapatalk

 

[adambudders]

I've had intercooler hoses blow off and had the same but slightly more severe symptoms.
I'd check for boost leaks.