22 July 2020, 08:00
I recently just installed a Airaid cai and the Sct x4 tuner. I drove around for about 30 miles and the check engine light came on. I used the tuner and it came up with the code P0171 Bank 1 lean. Was curious if anyone had any suggestions on how to resolve the issue. Is it bad to drive around like this in the mean time ? I have a 2014 mustang gt
Thank you