Forum Discussion
azrving
Sep 07, 2014Explorer
720Deere wrote:
Seems like a lot of people confuse DEF and DPF. DEF is the fluid that is used to reduce NOX. DPF is the diesel particulate filter in the exhaust system. Its purpose is to trap soot. While both are emissions equipment, they are separate systems.
I was confused as I read the thread. Is the op's 2012 dpf or def? I thought def started in 2013 but I'm new to diesels. I have a 2014 Ram
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