Quote Originally Posted by pinger View Post
Thanks RIS.

Re burn/cycle. A DPF can if the driving conditions suit it, never have to go through a 'burn cycle', an active re-gen. Passive re-gen is the working model where the heat in the exhaust stream is sufficient to keep the DPF clear (ongoing passive re-gen). Only when driving conditions deviate from the requirements for passive re-gen does active re-gen become necessary.
And on that note mine has never gone into active regen and it rarely does anything. I have been running it for maybe a year (old git here, can't remember).