impreza turbo 2000

running 352 bhp

was drving fine until went to foot down...
just cut out then got it started and wont rev over 2500
just starts poping banging and lots of black fuel smoke

what could it be?

 

Timing?

Intercooler hose off?

 

checked all the pipes seem fine...

 

this is buggin me

 

up

 

You need to say first EXACTLY what car you have, model and year.

Then list all engine mods.

Without that basic info, no-one can help, or if they do, it'll be guesswork.........which could cost you dear