To all with excessive regens

[mbarber84]

Another update:

Current gauge reading 110 miles since the last active regen finished:

in comparison, I had a one-bar (12.5% ?) soot reading 31 miles after the previous regen cycle finished. So this is a significant improvement.

Not sure if I can attribute the increase in performance to the hotshots extreme, the weather change, or the new tank of fuel? (Or a combination of all three). But regardless the truck is performing better this interval.

Will continue to monitor and update.

 

[609er]

118 miles after I did that stationary despot I went into active regen yesterday. First time I ever got a chime and said to keep driving. The dpf gauge wasn’t even as high as every other active regen it’s done. I’d didn’t have my pod with me to see what the actual soot load was but it took forever to finish that active regen. I actually did a hard pull at one point. Full boost from 3rd on up. The active regen screen flashed back to the dpf gauge for a few seconds than went back to continue driving message

 

[mbarber84]

118 miles after I did that stationary despot I went into active regen yesterday. First time I ever got a chime and said to keep driving. The dpf gauge wasn’t even as high as every other active regen it’s done. I’d didn’t have my pod with me to see what the actual soot load was but it took forever to finish that active regen. I actually did a hard pull at one point. Full boost from 3rd on up. The active regen screen flashed back to the dpf gauge for a few seconds than went back to continue driving message

Sounds like you have underlying issues. 118 miles is pretty short, and if it trigged a regeneration earlier than the 45-50% threshold, that’s concerning. Obviously you weren’t at the 24 hour point unless you’ve idled it heavily. I’d start going through the diagnostic process from top to bottom. I fully believe these 2022’s are issue-laden when it comes to the DPF and emissions

 

[609er]

Sounds like you have underlying issues. 118 miles is pretty short, and if it trigged a regeneration earlier than the 45-50% threshold, that’s concerning. Obviously you weren’t at the 24 hour point unless you’ve idled it heavily. I’d start going through the diagnostic process from top to bottom. I fully believe these 2022’s are issue-laden when it comes to the DPF and emissions

Mine is a 23. I’ve only seen 24 hour regen when I took the the truck to the keys from Jersey last month. Truck never idles besides traffic. I’m gona wind up pulling the dpf real soon at work and see what the face of it looks like. If the damn exhaust would stay as hot as it does for the first few miles it would never need an active regen

 

[mbarber84]

Mine is a 23. I’ve only seen 24 hour regen when I took the the truck to the keys from Jersey last month. Truck never idles besides traffic. I’m gona wind up pulling the dpf real soon at work and see what the face of it looks like. If the damn exhaust would stay as hot as it does for the first few miles it would never need an active regen

Keep us posted on what you find.
Mine would passively regenerate effortlessly from late October until about the end of March. Now it hardly does it at all. It’s definitely temperamental with the weather changes. This recent tank I’m using hotshot extreme fuel additive. That seemed to help push the initial soot reading out a little further, 125 miles before I saw a reading on the gauge instead of the previous cycle where I saw soot reading return 31 miles after regen finished.
I’m wondering if the air density changes are part of this, and if so, if the Banks intake elbow and charge air pipes would help to get more through the head for improved combustion.
I really wish I had the ability to data log, and would have had the opportunity to do so the past 7 months when the truck was running perfectly, all regens at 24 hours, and no soot registering on the gauge at all. Even in an unloaded situation.

 

[Enve46]

Interesting thread. My 2020 seems to be performing as expected, passive regens on the highway and 24 hr regens that complete in relatively short time, 20 mins or so. Haven’t monitored them as they seem to operating as expected.

The weather changes have my interest on it’s affect on regens. Were 2022s involved in the Cummins tuning issues? Maybe that’s a significant difference?

 

[609er]

Keep us posted on what you find.
Mine would passively regenerate effortlessly from late October until about the end of March. Now it hardly does it at all. It’s definitely temperamental with the weather changes. This recent tank I’m using hotshot extreme fuel additive. That seemed to help push the initial soot reading out a little further, 125 miles before I saw a reading on the gauge instead of the previous cycle where I saw soot reading return 31 miles after regen finished.
I’m wondering if the air density changes are part of this, and if so, if the Banks intake elbow and charge air pipes would help to get more through the head for improved combustion.
I really wish I had the ability to data log, and would have had the opportunity to do so the past 7 months when the truck was running perfectly, all regens at 24 hours, and no soot registering on the gauge at all. Even in an unloaded situation.

I have been wondering about the banks myself. At least the intake. I really think if the boost pressure would stay up when cruising it would keep the dpf hot. When into a good head wind I’ve noticed the boost pressure will run 3-4 psi steadily instead of zero when running on a flat highway just maintaining speed and not soot loading occurs. This all on a completely unloaded truck

 

[mbarber84]

Interesting thread. My 2020 seems to be performing as expected, passive regens on the highway and 24 hr regens that complete in relatively short time, 20 mins or so. Haven’t monitored them as they seem to operating as expected.

The weather changes have my interest on it’s affect on regens. Were 2022s involved in the Cummins tuning issues? Maybe that’s a significant difference?

The only model year that was affected by the Cummins / EPA litigation was 2019. That had more to do with NOx emissions. They put out a recall back in 2020 (VB6) that updated the engine emissions software to make the necessary changes. 2020 model year and newer all came from the factory with that tuning already installed. This regen issue shouldn’t be caused by anything related to that update.

 

[mbarber84]

Had to upload this video to YouTube as it’s the only way to share it with all of you. To provide some background:

This was taken on November 16th 2023 at approximately 7am here in southwestern Pennsylvania. Ambient air temp was probably around the freezing mark or slightly above. Historical weather says 35°F. The truck had sat overnight on the block heater, as it usually does in the winter. I remote started the truck and allowed it to warm up for approximately 3-5 minutes prior to leaving my house. As you’ll see in the video, I live within seconds of the highway on-ramp for Interstate 70. You’ll see the trucks DPF reading at the start, showing one bar reading or what I consider 12.5% as an estimate. Within a minute or two of highway driving, that reading goes back to 0%. The truck would do this very consistently throughout the winter. Rarely did it ever accumulate any actual reading on the DPF gauge, but when it did, it would usually clear itself back out when heading for work the following morning. What you see in the video happened countless times throughout the winter. The cold engine EGT’s may be part of the reason for what you see. However that doesn’t explain why the truck rarely built any appreciable soot reading on the gauge throughout the cold months.