FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: Wayne7275Please Login or Register to create posts and topics.Post History: Wayne7275Wayne7275UserProfilePost HistoryHi all, I have a 400HP unit on a Mopar 318. I just installed the FiTech 50015 in-tank pump. It ra …In: Very lean at idle, dies when trying to open throttle.1 year ago