Owner's Manual
Page 233
... Your vehicle is important to the specified schedule. If other than Ford, Motorcraft or Ford-authorized parts are essential to the life and performance of your vehicle to comply with steady pressure on the gas pedal. • Close windows for service of components affecting emission control,... such non-Ford parts should be your guide for the fuel economy comparisons with various emission control components ...
... Your vehicle is important to the specified schedule. If other than Ford, Motorcraft or Ford-authorized parts are essential to the life and performance of your vehicle to comply with steady pressure on the gas pedal. • Close windows for service of components affecting emission control,... such non-Ford parts should be your guide for the fuel economy comparisons with various emission control components ...