Strictly speaking, although DEF is the generic name for this non-toxic fluid, it's more commonly known by its German Association of the Automotive Industry trade name — AdBlue. Okay, here comes the ...
system that converts harmful gases into safer ones. In order for this chemical change to occur, miniscule doses of a reductant — that'll be the AdBlue — are sprayed into the exhaust gas flow ...
I have a 2015 Peugot 2008 HDI that requires Adblue. It has only done 22,000 miles but it is showing two fault codes relating to the Adblue system which, from what I've seen online, is a common problem ...