Originally Posted by ddrupert

Nick sent me a update for installing a Steeda cold air kit. I installed the kit but within a mile or so got a code 171,174 bank 1, 2 too lean error. The car runs fine. I went to one of the original two tunes still in the SCT/II and I do not appear to get the codes but the engine does not run real well. How many cars has the new tune as in 06 Mustangs been used on? Any one find the new tune from you work ok on a 06 with a Steeda cold air kit? Do you have another one I can try?