No one is saying that. But Normal Mode is healthiest on the engine.Therefore, if I drive daily in eco mode I am wearing out my truck prematurely and it won’t last through the warranty.
Bob
Sure, you’ll save money being anorexic (ECO) and spend more when on steroids (Sport) - but Normal is healthiest.
Sponsored
 So, you know that Ford engineers realize this and than gave us other modes to wear out our trucks to increase maintenance cost and/or buy another one?? Right!