FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: 69GMC910Please Login or Register to create posts and topics.Post History: 69GMC91069GMC910UserProfilePost Historyafter a few months of using the Fi-tech system I am only having 1 maybe 2 issues: 1st issue is wh …In: Fan on, engine bogs down7 years ago
