Hi guys I'm new to here but need your help I have a 2002 avj 1.8 turbo I'm not getting more than 5 vac and 1psi boost replaced n75 valve and turbo if I disconnect the pipe next to purge and put my boost guage on it I get 25hg the purge clicks and the check valve is fine I blew threw it only blows 1 way in stumped come on Guys some1 must have had this issue