Quote:
Originally Posted by NVM
It will be fine particles of nox residue... This is usually down to overloaded DPFs
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Hmm interesting theory. However, this car gets routine long highway trips and it is driven in DS mode exclusively. Also I never had any in dash warning about the emission system so far, I believe an under preforming DPF is supposed to store error codes.
I'm sticking with Quasimodem's termite theory
