Does the 2021 F-150 have cylinder deactivation?
Does the 2021 F-150 have cylinder deactivation? Ford's V-8 option for the 2021 F-150 will join GM and Ram in utilizing a cylinder deactivation system. “We've also added a variable displacement cylinder deactivation function to the 5.0-liter, helping fuel economy by reducing the number of cylinders receiving fuel during lower speeds and under light loads.” Why does my Ford F-150 run rough when it warms up? Solenoid valves. Then knocking so changed the timing belt and phasers (Tentioner gasket was shot and guides where broken, needed it) also changed the oil pump with the recommended upgrade. Now truck runs smooth...