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Old 09-20-2011, 11:07 PM
300MAG 300MAG is offline
Dodge Ram Forum Senior Member
Join Date: Jul 2011
Location: North of Atlanta, GA
Posts: 271
Gender: Male
Vehicle: 2011 Ram 1500
Trim Level: Laramie
Color: Deep Cherry Red
Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
300MAG is on a distinguished road

Originally Posted by RickMopar View Post
If you read the owners manual ECO stands for Economy. Which tells you the engine had gone into Multi Displacement from 8 cylinders to four.

Yup its like a game try and keep it at 20 mpg for me anyway.
Not exactly true, it means you are driving in a fuel effiecient manner and/or in mds mode. There are times when the Eco will be displayed and running on all 8.
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