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    What Happens When You Run Out of DEF?

    New to the forum, actually new to being a RAM owner also. I have a 2013 2500 wiIh the 6.7 Cummins. The truck now has about 17K miles on it. I tow a trailer and/or have a truck camper on it maybe 25% of the time. Over the time I have had the truck I have had to add DEF at the rate of about a...
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