Third regeneration for my truck this morning while going to church. Only issue for me was I would get to church before it concluded.
When I parked it said the filter was still 40% full. Shut the truck off but smelled nothing unusual. After church I started and expected that regeneration process to continue. My expectations were NOT reality.
No more regeneration from church to the grocery store and from there home. My take is it does not restart again until it gets back to the 90% full condition again.
From my experience with Regen systems on Caterpillar equipment, If you shut the machine off during a regen event and the DPF level is below a certain level it wont regen again until the filter is full to the required level to require a regen. I'm sure each manufacturer has different settings and percentages for regen cycles. I can't speak for the new ED's as I don't own one yet but the Cat stuff we have works that way. I'd say it will be fine and will just run until it requires a regen at 90% again.
What 06TD noted for the CAT is similar to what I noted with with my 08 pre delete. If you have to shut off, first let it idle for a few minutes, as the whole exhaust system is hot, over 1200 F to burn off the soot in the DPF.
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