FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: CobradavidPlease Login or Register to create posts and topics.Post History: CobradavidCobradavidUserProfilePost HistoryThe problem seems to be solved. I had installed an extra fuel filter, upstream of the FiTech pre-fi …In: Engine hesitates and sputters8 years agoThanks, Austin. I'm working on getting a fuel pressure gauge so I can check pressure when driv …In: Engine hesitates and sputters8 years ago Problem: the engine runs fine when cold. Once it is warmed up, it hesitates and sputters …In: Engine hesitates and sputters8 years ago