6.7L Diesel Engine – Not Rated For Fuel Economy – 2014-2015 Ford F-Super Duty
2014-2015 F-Super Duty – 6.7L Diesel Engine – Not Rated For Fuel Economy By EPA- Do Not Attempt Repair 2014-2015 F-Super Duty vehicles equipped with a 6.7L diesel engine are not rated by the EPA for fuel economy. This is noted on the window Monroney sticker. To diagnose fuel economy concerns, follow … Read more