sweettl69
October 13th, 2015, 03:49 PM
04 yukon sbe single 76mm turbo 100lbs injectors runs great with maf enabled but as soon as i fail maf etc shuts down under boost i already maxed out predicted map max still not working i have heard that on some of the computers the only thing you can do is -50% in the ifr and -50% in the ve to get it to work around this i used this same tun on another truck with earlier computer only difference was the other truck had a turbo 350 and 60lbs injectors is there something im missing any help will be appreciated i have never had this problem before very frustrating