FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: HousemanPlease Login or Register to create posts and topics.Post History: HousemanHousemanUserProfilePost HistoryI've had FiTech for 6 or so years. The handheld started going to a grey screen when the truck g …In: Handheld issues3 years ago