Thanks for the link. I am starting to think the bully dog didn't really return my ecu to factory settings because when I called customer service they said my vehicle isn't a recommended application (worst customer service I have ever dealt with though). I was using the F-150 setting, which I...
I apologize if this has been covered before, but I have searched for almost a week now and cannot find information that can help. I have a 2005 Expedition EB and until recently has ran great. It has 82k miles and about a month ago I threw on a K&N CAI and a bully dog triple GT tuner. After...
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