Z Zeeman59 Member Jun 18, 2018 3 1 13 Williamsville N.Y. Jul 25, 2018 #1 Jul 25, 2018 #1 Need Help, 2011 Mustang Gt engine light on , got codes P0171 and P0174 . cleaned mass air module and reset computer . drove half mile and engine light came back, any HELP! only 12700 miles on it.
Need Help, 2011 Mustang Gt engine light on , got codes P0171 and P0174 . cleaned mass air module and reset computer . drove half mile and engine light came back, any HELP! only 12700 miles on it.
