DPF % full inconsistent

Nwtravler

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2025 3500 using the Banks idash to monitor dfp status and regen. Recently I'll finish a drive it shows x% call it 30%. I get in a few days later, it shows 30% but within a few miles is down to 15%. This goes on for a while with the dfp never really getting to 100. Then I get going and suddenly it's gone from 50 to 102 and is in regen.

I was running Optilube then switched to Archoil, had a similar thing happen once on Optilube. I'm not sure it's the Archoil but has anyone else experienced anything like this? I'm thinking taking it to the dealer is a lost cause since there are no codes or other issues.
 

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