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I did a search and found a little info on this, but not a whole lot. I read on another forum that the particle filter has to be replaced at around 100k.

The reason being the regen cycles build up ash over time to the point where the thing gets totally clogged. Replacement cost is scary, so I'm wondering what the story behind this is. I assume the emissions warranty covers the DPF to 100k; after that you're on your own.

Also read during the search about a DPF cleaner fluid by Caterpillar/Cummins that is supposed to reduce ash formation. Sounds like potential snake oil, but I have no idea. Apparently the '09 particle filter is integral to the NOx converter which is why it's so expensive.

2010 design is different. The service manual says to check it at 120,000 miles and then every 10,000 miles after that. When it gets full you will have to replace it. Nobody really knows when that will be (yet). My hope is that by the time mine gets full, somebody will have figured out a way to empty it out so that it doesn't have to be replaced. The only known DPF replacements so far have been premature failures (like a bad sensor that prevented regenerations) and were covered by warranty. Only time will tell.

Couple things: The ECU monitors the DPF loading, this is how it knows when to start a regen process. However in some cases, if the regen criteria is not met, or the process is halting, it may be necessary to do a manual regen via scan tool initialization. If a regen fails, or the DPF is beyond what the regen can do, you'll know because the ECU will illuminate a light on the dash. Photoshop Cs6 32 Bit Crack Free Download. DPFs eventually will get some ash buildup in them. The ash is the byproduct of the regen process. Soot (Particle Matter, or PM) burns away and leaves a hard, crusty white-gray ash that can accumulate in the DPFs substrate over time. There are a couple ways to deal with DPFs that can no longer function as designed.