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DEF
I took delivery of a 2016 Ram 3500 on 11/20/15. I don't use it for daily driver. The DEF tank is 3/4 full. I have heard the DEF will go bad and if it does what will happen when I drive the truck. How long will the DEF stay good but if it goes bad what happens to the motor. Throw a code or just what? Thanks, Brent
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