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I was on the opposite side of regen, my commute was only 5 miles away at an average 40mph. Every week it went into regen, and because it wasn't a long enough drive, it could take up to two round trips to reset. I've towed 2000K mile at 19K GCW and never saw a regen. If the percentage raised just before a regen, I would go on a 30 to 40 mile trip with and go up a 4% grade empty, the level would drop without a regen. As long as you don't get a "DPF at 100% see your dealer" I wouldn't worry about your regen, I wouldn't lose any sleep over it.
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</blockquote>My buddies 21 would throw a code that it was regening to often and the gauge would be at 100%, went to the dealer 3 times and they couldn’t figure it out. Finally I talked him into switching Def fluid to blue Def platinum and after a few weeks it cleared up and hasn’t given any more problems. <br />
I know a lot of people call the platinum BS but the difference is they use deionized water instead of distilled and with that it’s pure with no contaminates.</div>