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I moved on. Love hate relationship. Will check back on this thread from time to time, good luck all. Picked up a 23' baby Duramax. Already browsing for a 4th gen CTD...

Ditto, also have failed pinion bearing and related components on order (going on 4 months now) to be replaced. Now I also suspect lifter failure as a tapping has developed. Fuel dilution I imagine would be the culprit. On top of that after last tire rotation sounds like my front drivers side...

Recently changed fuel filters and got my best regen cycle of 350 miles (100) miles more than before. Went back to the same old BS after that, 150 miles cycles, no change in driving style. Seems to back up your theory. Getting pretty sick of changing my oil every month. Appointment w/ dealer in 3...

Update on my situttion. Continue to change oil every month because of fuel diluion. Had been averaging 150 miles between regens with about 50 miles to complete. with one excpetion, 275 miles when I had a tractor implentment in my bed driving in hilly terrain for 150 miles. Last oil changed I...

Interesting. I'm no expert but have also been able to notice differences in miles between regens when experimenting with fuel. Was going 120 miles between regens, then 60 miles to regen on Wawa fuel. Switched to Shell and simultaneously started adding 12oz of Power Service Diesel Klean at fill...

Dealer appointment this past week to address a couple issues; excessive regens, hum from rear diff, and constantly resetting uconnect along with trans dipstick, grid heater relay and missing particulate sensor recalls. Long story short, parts are on order for rear end and particulate sensor...

It is a 22'. I planned was to drive this truck for 400k+. I might be dumping after 100k now. I am certainty concerned about longevity.

Have a long list of regen cycles for dealer to look at. I have been monitoring oil levels every couple of days. The excessive fuel in oil was after the 250 mile regen followed by the 400 mile regen 40 miles later. I changed immediately. Changed fuel filters at the same time. Since then, might...

Quick update on my excessive regen situation and a warning to check your oil level! I've been documenting my regens, dealer appointment in 3 weeks. Was getting ~120 miles then ~60 mile regens. Then I got a regen that took 250 miles to complete. 40 miles later a regen that took 400 miles to...

Please keep us updated. I'm waiting for first dealer appointment next month. Our situation with regen frequency and miles needed to complete are basically identical. Maybe only difference is my truck was purchased with excessive idling hours. 2022 2500 CTD 15k with 651 idle hours, 2,100 total...

Purchased from an independent dealer, one with no service department. Realize now, not of the greatest moral character. My truck does have an open Y43 recall.

Gotcha, that'll surely void any warrantee! Think I'll wait for the dealer. Will report back for future searchers.

Just clicked, all makes sense now. The "Automatic exhaust system regeneration in progress continue driving" message after leaving dealer was probably the first time the truck saw proper regen conditions in some time. Didn't have truck on the DPF gauge but was monitoring MPG for the first week...

Probably right, it was registered commercially. Crew cab short bed, Bighorn with limited options.

Yes, realizing this now. Truck was showing 3MPG on the fuel efficiency screen. Did have aftermarket air bags installed so assumed it was towing heavy. Obviously though it idled more than anything.

What is the difference between the 2 messages? One the 24 hour interval the other DPF 50% full ?

Pre-owned, came off the line Used, built June 2022. Purchased 3 weeks ago with 13,400 miles, 649 idle and 1389 driving hours. idle hours seem really high, no?

Normal regens, only visible from DPF monitor screen. First 2 regens when I took ownership a couple weeks back were 1000+ miles apart and those were the continue driving type. But, I was not watch the DPF screen then like I am now.

Almost positive box was even marked Fleetguard. Will compare with Mopar coming today. Try my best, 65 mile commute, 90% highway minus lovely NJ traffic. Past two regens have taken 150 miles, almost impossible to let them complete. 2022, have an appointment for Mid-October, pushing to get in...

I installed Fleetguard filer p/n AF27684 to replace a unknown filter with glue strips. I did notice the fleet guard filter had glue between the pleats but not a glue strip. 500 miles later, regens are still happening every 100 or so miles with 60 miles needed to regen DPF. Last regen was came...