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Here's more training info courtesy SprintguyWhat's "Full-Load Operation"? No regen required because of engine/vehicle speed or highway style performance? No build up of particulate on filter, for same reason?
Good question. As far as I can ascertain, Sprinter's do not passively regenerate.What's "Full-Load Operation"? No regen required because of engine/vehicle speed or highway style performance? No build up of particulate on filter, for same reason?
Is this the section to which you refer Master Po...er...Poopoo?Bob
I swear you are menace', well intentioned menace perhaps but a menace nonetheless..
(I sincerely hope folks like you didn't have anything to do with this Boeing fiasco.)
The system DOES passively re-generate as it does on all all diesel light duty vehicles.
For reference go back to the bulletin Sprintguy has given you and published this thread theorem of yours .
Your attention is drawn to the last page and requirements to auto regenerate.
So in short if its got faults it will not regenerate.
Cheers Dennis
Ciao,People make mistakes or overlook things--its human nature
Dennis
I just checked both the X-Gauge coding sheets I have ("2014+ Mercedes Sprinter 3.0L Diesel" and "2015 Sprinter 3500 Chassis") - there's some differences in the naming convention of the various X-Gauges, and I now understand I'll need to redo them. I used the "2015" coding sheet from the iRV2 forum discussion including comments by GChapell and James DeLong, downloaded to enter my custom gauges, and the 2014+ sheet has the same codings mentioned, but with different identification names. Neither has the "EUP" XGauge identifier included, but both have the "DPF" identifier used for the Exhaust Temp Upstream of Particulate Filter, that you mention.There's an X Gauge "EUP", i.e. Exhaust temperature upstream of DPF. That is what alerted me to a regeneration. I could not get X gauge "Regn" (on/off ) to function.
My experience, interrupting a regeneration three times will throw a CEL and log code P2459. It can take 100+ Highway miles for the CEL to clear and 40 key cycles for the code to clear.
No problem. I'll probably try the codings for the ones from the LL website, "2011+ Mercedes Sprinter" or whatever they titled it.I tried looking for the version I used but couldn't find them.
These are the parms for the RGN X-Gauge from the GChappell/JDeLong listYou were able to get this feature to work?
DPF and DEF are completely independent systems. The injection of DEF happens practically all the time and it is controlled by the slave DEF control module. The DPF regeneration happens periodically and it is controlled and triggered by the ECU... Didn't quite understand what you meant by "and how it activates the DEF reservoir to initiate a regeneration cycle"... I think you are misunderstanding it a bit.Have any of you who seem to be knowledgeable about the operation of the DPF system ever run across a flow chart that depicts the interaction between the various components if the system? I would be willing to bet the MB engineers have such a flow chart as it would be a valuable tool for conceptualizing how the on board ECU/ECM is connected to the various pressure and temperature sensors and the DPF, and how it activates the DEF reservoir to initiate a regeneration cycle. I am looking to buy a used Sprinter and have realized that the DEF system is an Achilles heel that one should understand. I find that I cannot understand complex systems such as this unless I can draw a flow chart that makes clear what happens as various components and detectors communicate, or fail.
Thanks Dima74, I see now that the DEF system injects the fluid downstream of the DPF. I had thought it was part of the soot removal process, I see now that its purpose is for breaking down NOx. But this illustrates my purpose in asking my question: Does anyone have a good flow chart that shows how all these systems and the various sensors interact (or do not interact)? Having such a visual aid would make discussing these complex systems far more easy to follow.DPF and DEF are completely independent systems. The injection of DEF happens practically all the time and it is controlled by the slave DEF control module. The DPF regeneration happens periodically and it is controlled and triggered by the ECU... Didn't quite understand what you meant by "and how it activates the DEF reservoir to initiate a regeneration cycle"... I think you are misunderstanding it a bit.