2011 mustang gt

Zeeman59

Member
Jun 18, 2018
3
1
13
61
Williamsville N.Y.
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.
 
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