TANKWRX

hi all ill cut strait to it
every now and then ill go to boot it and hear the turbo boost up but it dosent really go to well then if i come off and go to boot it again itll dump strait away and boost up and go like a rocket could this be a faulty dumpvalve ?

greenfumb

more than likely or a boost leak check all pipes and try another dv or even better a re-circ valve