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Ccrew · 02-18-2021, 08:20 AM

OP touched on it, everyone missed it in the DEF war. Reality is DEF gets old and when it does it crystallizes. At the end of the day it’s just piss (urea) and the biggest thing that causes these issues is the vehicle sitting unused.

02-18-2021, 08:20 AM	#41
Ccrew Senior Member Join Date: May 2018 Location: Winchester Posts: 113	OP touched on it, everyone missed it in the DEF war. Reality is DEF gets old and when it does it crystallizes. At the end of the day it’s just piss (urea) and the biggest thing that causes these issues is the vehicle sitting unused.