Question on getting DEF
For all you diesel drivers, where do you fill your DEF tank? Do most of the diesel lanes have DEF too? Is it a pump like fuel or some other device? As you might have guessed, I haven't refueled my ...
Forum Discussion
Mandalay Parr wrote:
What is DEF?
DEF (Diesel Exhaust Fluid) is a added to the exhaust system to eliminate pollution. We have the particulate filter on ours as it's a 2008. I think in 2010 is when the manufacturers started adding the DEF tanks.
Word on the street is that they get better performance from the engine with DEF vs. the particulate filter like I have. Mine will go through a regeneration cycle about once every 10,000 miles. Mine (if I understand it correctly) will spray fuel on the particulate that has accumulated, it will heat up, then burn off.
MM.
