Thread: DEF Usage
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Old 11-14-2013, 07:35 PM
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Bozo Bozo is offline
Dodge Ram Forum Senior Member
Join Date: Nov 2010
Location: Jefferson, GA
Age: 52
Posts: 1,046
Gender: Male
Vehicle: 2013 Ram
Trim Level: Laramie Crew Cab 4X4
Color: Copperhead Pearl
Engine: 2007-2011 409ci (6.7L) Cummins Turbo Diesel 350hp 650lb/ft
Rep Power: 5
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I just brought my '13 2500 Laramie 4X4 with the CTD home on Tuesday! I am still learning but from what I have read, under normal city driving and flat interstate travel, the DEF should last quite a while. But, when you start putting a load on the engine, more exhaust gases go through and therefore more of the DEF is used. I am not sure as this is my first diesel but I would have thought it would have last longer than what yours has.

Not much help I know but hopefully someone with more knowledge and experience with this will chime in.
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