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Old 09-20-2011, 09:43 PM
RickMopar RickMopar is offline
Dodge Ram Forum Junior Member
Join Date: Jun 2010
Age: 46
Posts: 33
Gender: Male
Engine: 2009-2010 345ci (5.7L) Hemi V8 390hp 407lb/ft
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RickMopar is on a distinguished road

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.
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