450whp FC turbo sputtering
 

my fc sputters and wont make peak boost at about 4-5k and will sputter and bog the air fuel ratio goes up and then shortly after it hits boost HARD and it has done this and then stopped 3 times now and it spits alot of fire while sputtering and I would like to know if it's minor or serious, doable at home or should i take it in, and how to do it. Thank you :jump:

If you have a highly modified FC and you are asking HOW to tune it,then no offence,I would take it to someone.
Don't be shy..and foremost do not be embarrassed..ask questions..!
I had a 357hp FC and I got a tuner to do it.I didn't know shit and I didn't want shit to happen.I can wrench but know squat about ECu's
The best way is to let someone that knows work on it.If they want to teach you then that is a bonus.

i just took it in and had non engine related work done and am now broke... I think it could be as little as a spark plug or a coil or even a bad injector maybe even a valve getting stuck

that is the thing.
A tuner will look at the engine's logs while it is doing that or with the running and can diagnose it.
Broke?..aren't we all?..it's a Rotary..it will make you bleed green!