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-   -   Regen Frequency (https://www.cumminsforum.com/forum/2013-2018-general-discussion/2511061-regen-frequency.html)

andy685 09-12-2019 07:12 AM

Regen Frequency
 
Iím curious, for anyone that monitors their engine with some type of device. How often is your truck regening?

I have a 2014 2500 that is averaging a regen every 40 miles.
Seems really low. I do not drive heavy. 15 miles to work on highway is most of it. But still sees low.



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badunit 09-12-2019 07:29 AM

Roughly every 900-1000 miles or every 24 hours of operation. It seems more tied to the hours than the miles.

sargenthp 09-12-2019 07:34 AM

All depends on what you are doing. Lot of idling, stop and go, or even light cruising you will Regen more often. Towing heavy most of the time you might rarely see a regen.

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azjohnnyo 09-12-2019 07:37 AM

Quote:

Originally Posted by andy685 (Post 29086803)
Iím curious, for anyone that monitors their engine with some type of device. How often is your truck regening?

I have a 2014 2500 that is averaging a regen every 40 miles.
Seems really low. I do not drive heavy. 15 miles to work on highway is most of it. But still sees low.



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Every 40 miles seems a bit excessive! I would have to agree with badunit, as Iím in the 800íish miles between regens. Depends on how much idling and if towing but every 40 does seem excessive.


AZJohnnyO
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badunit 09-12-2019 07:39 AM

For reference, I drive 50/50 urban and highway, almost never towing.

Every 40 miles is excessive under any normal condition if you ask me. How are you monitoring it and determining it is regenerating?

Minnow101 09-12-2019 07:59 AM

^^Yes, how are you determining your truck is regenerating?

Ltngdrvr 09-12-2019 08:29 AM

Every 40 miles is not right. If you are seeing that on some monitor, then it must be that it hasn't finished a regen cycle and is just restarting an unfinished cycle and that is why you are seeing it occur that often.

15 miles of driving isn't enough to finish a cycle.

cjgoode 09-12-2019 08:54 AM

every 40 miles is a real problem. I went about 9 months with only short drives do to family medical issues, It did go through a regen for about a week straight as farthest I went was 3 miles round trip each day, so it never finished regen and started again as soon as I started it up. I determined it was in regen mode based on the smell behind the truck and the drop in MPG while driving. Once I hit the highway, even through it was only for about 15 minutes to go to a Dr visist it finished, it did not do one again for a few months with short driving and idling.

Now I am hitting the highway about every month for a 1200 mile round trip. It almost always does a regen on the return which puts it about about 1,000 miles or so between regens, once again based on the instant drop in MPG and jump back to normal once completed.

So I have done serious short distance driving and idling for months, and periods of mostly highway miles also. every 40 miles is a problem under any driving conditions.

mtnrider 09-12-2019 09:01 AM

Right now mine is at an average of 1160 miles and 28.2 hours. Varies depending on the type of driving you do. More city driving and it will do it sooner, maybe around 700-800 miles and less hours.

.

andy685 09-12-2019 11:33 AM

Quote:

Originally Posted by Minnow101 (Post 29086835)
^^Yes, how are you determining your truck is regenerating?



Using a ODB2 adapter and app on phone.
I can see the average Regen. When it is Regening, the EGTs and the DPF percentage full.



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andy685 09-12-2019 11:35 AM

Quote:

Originally Posted by cjgoode (Post 29086875)
every 40 miles is a real problem. I went about 9 months with only short drives do to family medical issues, It did go through a regen for about a week straight as farthest I went was 3 miles round trip each day, so it never finished regen and started again as soon as I started it up. I determined it was in regen mode based on the smell behind the truck and the drop in MPG while driving. Once I hit the highway, even through it was only for about 15 minutes to go to a Dr visist it finished, it did not do one again for a few months with short driving and idling.



Now I am hitting the highway about every month for a 1200 mile round trip. It almost always does a regen on the return which puts it about about 1,000 miles or so between regens, once again based on the instant drop in MPG and jump back to normal once completed.



So I have done serious short distance driving and idling for months, and periods of mostly highway miles also. every 40 miles is a problem under any driving conditions.



Iíve thought it to be severely low too. Iíve had it to the dealer who worked with the ram engineers. They said the EGR valve needed cleaned. That has made no difference.

Iím at a loss as to why this truck is producing so much soot in such a short time.




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badunit 09-12-2019 12:32 PM

I didn't realize there was so much information to be had. I have an MM3 and have to look at EGTs to determine when it is regenerating. I assume your "DPF percentage full" is showing the DPF getting full very fast and/or not clearing out with the regen process?


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