Join Date: Jan 2016
Location: Portland, Oregon
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My apologies if I rustled any feathers, that was not my intent.
Arice - There was a post somewhere on this forum of an image capture from the tech manual stating the ECU is hard coded for 24hrs engine run time max between regens. I can confirm this to be valid from observing run time vs. DPF load on a scan tool during the past year and a half. No more than 24hrs without fail.
And I must amend my previous statements. I believe it is possible to get 1000+ miles between regens, but under other than normal circumstances. It is possible during an extended road trip where you are at highway speeds for most of the time, only getting off for food, fuel, and/or lodging. Or your commute is no-traffic highway for 90% of an extended distance, and you are close enough to the highway to not pull your average speed under 42mph, then it is possible to achieve 1000+ between regens. But that is not the norm.
My comments were really to balance those claiming high numbers as their "average" distance between regen cycles. While I think the possibility exists to achieve 1000+ plus, I do not think those are the average numbers, and wanted to put out a better understanding of what to expect and alleviate having others question why their truck does not get such good numbers.
Best way to know what you should expect is to look at the trip computer and multiply the average speed x 24. That is roughly the mileage you should see between regens.