How to Fix a Ford F150 with a P0401 EGR Insufficient Flow Code Part 1P0131 code2013 f150 ecoboost p0172 code - Ford F150 Forum - Community of FordHOW TO REPLACE UPSTREAM OXYGEN SENSOR ON FORD FOCUS MK3 - CODE P01312013 f150 ecoboost p0172 code - Ford F150 Forum - Community of FordFord F150 Trouble Codes | Speedway MotorFord P0151 code, 2013 Ecoboost F150 - YouTube2013 f150 ecoboost p0172 code - Ford F150 Forum - Community of Ford