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Re: Active Fuel Management Deactivation
Posted to Tool & Equipment Forum on 3/2/2019

I just bought a 2018 Silverado that has this feature. Seems the MPG goes way up according to the meter when It goes into V4 mode and that meter is pretty accurate. I'm averaging over 20MPG on a crew cab 4WD Silverado in mostly non-highway driving. Also, I do n... Login to read more.