I went to Autozone and ordered some new spark plugs. The spark plug in the back on the passenger side was fried pretty bad when I replaced them. I took everything off and ran it stock. Even the x-pipe,CAI, and ran the stock tune. It's running good (well with a lot less power) so I don't know what ...

Are you talking about the CROM file? As soon as I received the U7145 I downloaded the newest CROM file from the website. Yes I made sure that i ran through all of the old 87 octane and after I filled it with 93 octane then I installed the 93 octane tune. Someone told me that I should look into ...

I'm new to the tuning scene. I have an 07 GT with an Airraid CAI, throttle body spacer and an off road x-pipe. When I first got the U7145 i had the 87 octane tune and it worked fine. I then decided to bump it up to the 93 octane tune and since then it's been running like a nightmare. I dont know ...