hey guys ill start from the start had and aftermarkert plenum ready to go on but changed my mind .anyways put the stock plenum back on .started up the car and it didnt start first shot so tryed again workd was running really ruff and wanted to keep dying ..im thinkg vacum leak couldnt find anything .so went for a drive around the block just hit boost but was cutting out but stilll the revs where climbing as i was drving back down the street the revs just started riseng bu themselfs wtf! put some new fuel in it did the same thing cutting out sooo don my way home wouldnt go past 3000rpm and keept stalling blowing shitloads of blak smoke ,got to my mates turned it off but wouldnt start again ....so ripped out the plugs they were really blacks so cleaned em but it wouldnt start again ...also had an aftermarket frp set to 60psi on it but that has since been taken off so any help would be appreciated cheers