2006 Mustang GT - Emission Failure due to "Not Ready".
I have a 2006 GT and this moth has been very frustrating as it is due for the state emission testing. However I have 3 sensors that keep reporting "Not Ready" and now after driving this just about 180 miles since the last failure I'm getting a little frustrated.
1) The battery did die over the winter as I live in utah and lets face it this isn't the best in the snow. But the battery has died every winter I've had it and I've never had this problem before.
2) I did get a computer tune last summer, which I'm wonder if that is preventing the sensors from coming on-line or not. The Tune is from SCT with their SF3 Power Flash, and I got the tune from American Muscle.
Does anyone out there think that I should go back to my stock tune and put in my stock cold air intact? Or is there a certain number of miles that I have to drive still and I just haven't driven it enough?