FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: PA_cobPlease Login or Register to create posts and topics.Post History: PA_cobPA_cobUserProfilePost HistoryI am having issues similar to what has been described in the above posts. I am running a 600 hp unit …In: Lean/rich stumble bog solutions5 years ago