Rockman5159
Well-known member
5.0 V8 for the POWER!I was under the same impression---that it activates at lower speeds.
I have about 10 miles of roadway on my commute that I keep below 50mph. Just a couple of lights, and no to light traffic.
I have yet to feel this so called cylinder deactivation comer into play.
I'm not even real sure it is even part of the truck.
I may give "ECO" mode a try for a couple of morning rides to see if it will happen then.
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