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Regen???

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Old Apr 7, 2022 | 08:46 PM
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Regen???

G'day, I hope this topic has not been discussed to death and I've missed it. Believe me that I've tried to find answers before starting a new thread, with no answers.
How can I know if my 2017 F250 6.7 is in Regen mode? I have had the truck for about 10K miles and have never "felt" a Regen cycle. She purrs along and never missed a beat, I've refilled the DEF tank several times but have never had any indication that my truck has gone through a Regen cycle. How do I know??
TIA
 
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Old Apr 7, 2022 | 08:51 PM
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No indication from the factory other than a drop in MPG’s and the smell. Also DEF has nothing to do with regen. Sometimes I could hear a difference in sound when my ‘17 F250 was in regen but it was subtle.

Or you can enable the DPF% on your display with Forscan and watch for it to drop.
 
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Old Apr 7, 2022 | 08:57 PM
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Forscan is the easiest way to monitor that. But otherwise as mentioned, a drop in fuel mileage and I notice a difference in throttle response while in regen.
 
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Old Apr 7, 2022 | 09:34 PM
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Originally Posted by chardagha
G'day, I hope this topic has not been discussed to death and I've missed it. Believe me that I've tried to find answers before starting a new thread, with no answers.
How can I know if my 2017 F250 6.7 is in Regen mode? I have had the truck for about 10K miles and have never "felt" a Regen cycle. She purrs along and never missed a beat, I've refilled the DEF tank several times but have never had any indication that my truck has gone through a Regen cycle. How do I know??
TIA
Is there any special reason you need to know exactly when the regeneration process is occurring?
In 10K miles, it has happened quite a few times, and this means that even though you weren't aware it happened, nothing obviously went wrong, no faults no issues.
 
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Old Apr 7, 2022 | 09:34 PM
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Originally Posted by chardagha
G'day, I hope this topic has not been discussed to death and I've missed it. Believe me that I've tried to find answers before starting a new thread, with no answers.
How can I know if my 2017 F250 6.7 is in Regen mode? I have had the truck for about 10K miles and have never "felt" a Regen cycle. She purrs along and never missed a beat, I've refilled the DEF tank several times but have never had any indication that my truck has gone through a Regen cycle. How do I know??
TIA
Another option would be to buy one of those OBS-II dongles that sends info wirelessly via BT to your smart phone associated app and you can watch live parameters of many systems.
 
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Old Apr 7, 2022 | 10:08 PM
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I wish they had a notice on the screen... regen starting in 5 min, regen started etc so you dont turn off the truck etc.
 
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Old Apr 7, 2022 | 10:23 PM
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Isn't that what happens when you have OCR?
 
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Old Apr 8, 2022 | 04:16 AM
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Originally Posted by Locotenentu
I wish they had a notice on the screen... regen starting in 5 min, regen started etc so you dont turn off the truck etc.
Why? Are you going to drive around aimlessly for another 10-30 minutes until it completes? The Regen started just as I was pulling into the parking lot of where I was going. Shut it down. Guess what it does when I start it again, as soon as it gets back to operating temp. It starts right back up. It it got half way through the process you will drive another 150-200 miles before it starts again.

The only real reason to know it is in Regen, and be concerned about shutting it down is EGT1. The temp at the turbo. I have a Edge CTS2, that I use to keep an eye on this and generally wait till it cools to 400 before shutting the truck off.
 
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Old Apr 8, 2022 | 05:30 AM
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I have the banks Idash that plugs into the OBD port. I can monitor the regen status, but more importantly, I can monitor will the truck is reaching the time to regen.

I also monitor the EGT's. while the truck is meant to do all this in the background with no driver input I want to know this information so I don't shut it down while in progress and leave that fuel to drain into the crankcase.

I also don't want to shut down a hot motor and turbo. So I will monitor and watch those if I need to shut it down while cleaning.

I would suggest something like that vs a phone.

 
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Old Apr 8, 2022 | 06:53 AM
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It does get discussed to death. At least every two weeks. This precise question. The answers are always the same. Here they are; 1) You can watch your instant MPG and see that it will drop once a regen starts. 2) You can have the dealer turn on your DPF screen option so you can monitor the DPF status. You can also do this yourself through the FORscan program. 3) You can buy a ALDL dongle and monitor so you can drive around displaying all sorts of sensor and system data.

I know you asked how you can know it's in regen mode. It didn't occur to you why Ford doesn't by default have some driver notification light up for this as they did prior to 2017. As noted in a response, the regen is designed to be transparent to the driver. In other words, you don't need to know. I know others want to monitor all truck systems at all times thinking there is some damage they are preventing, like hot EGT turbo damage, or excessive fuel dilution or whatever. Good for them. You would think those Ford engineers would be up on this, but they seem rather dumb and didn't put these cautions in the owner's manual or give you an intervention.
 
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Old Apr 8, 2022 | 08:20 AM
  #11  
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Originally Posted by C12H24
....As noted in a response, the regen is designed to be transparent to the driver. In other words, you don't need to know. I know others want to monitor all truck systems at all times thinking there is some damage they are preventing, like hot EGT turbo damage, or excessive fuel dilution or whatever. Good for them. You would think those Ford engineers would be up on this, but they seem rather dumb and didn't put these cautions in the owner's manual or give you an intervention.
Ford understands that having too much information for the general customer is probably a negative thing.
If I drove a diesel, having a DPF regen indication would be appreciated. BUT, I'm sure it would cause a lot of concern to the general public. Manufacturered 'issues' like:
1. My EGR regen interval is slightly longer/shorter then I've noticed in the past. Is there an issue?
2. I turned the truck off during regen. Did I just dilute my oil with fuel?
3. I turned the truck off during regen. Did I just hurt my turbo bearings?
etc.

I don't need to pull 12,000 lbs, so very happy I ordered a 7.3L to help simplify my life.
​I've lived the modern diesel life and don't want to do it again.
For people that need to pull 12k+ lbs, I get buying the diesel.
 
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Old Apr 8, 2022 | 08:32 AM
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Originally Posted by d7velo1
...
I don't need to pull 12,000 lbs, so very happy I ordered a 7.3L to help simplify my life.
​I've lived the modern diesel life and don't want to do it again.
For people that need to pull 12k+ lbs, I get buying the diesel.
Diesels aren't for everybody.
 
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Old Apr 8, 2022 | 05:02 PM
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So this may be the first I have seen of this thought that the fuel would drain into the crankcase. How are people thinking fuel would be left in the cylinder? Its a DIESEL, you turn it off by cutting the fuel. IF there were any fuel (or enough to matter) in the cylinder, it will be gone after he next compression stroke as the engine continues to spin down.
 
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Old Apr 8, 2022 | 05:48 PM
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Originally Posted by harmanrk
So this may be the first I have seen of this thought that the fuel would drain into the crankcase. How are people thinking fuel would be left in the cylinder? Its a DIESEL, you turn it off by cutting the fuel. IF there were any fuel (or enough to matter) in the cylinder, it will be gone after he next compression stroke as the engine continues to spin down.
The extra fuel is injected on the exhaust stroke, and I really don't see this as being any appreciable issue either.
Something for the internet drama propagators to go on endlessly about.
 
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Old Apr 8, 2022 | 06:53 PM
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Originally Posted by Ltngdrvr
The extra fuel is injected on the exhaust stroke, and I really don't see this as being any appreciable issue either.
Something for the internet drama propagators to go on endlessly about.
Exactly. Unless you thing the engine stops in under a revolution. Fuel for the regen is injected on the exhaust stroke, the piston goes down, then piston goes up, and if there is is fuel in the chamber it goes BANG, and then their is not fuel in the cylinder. Compression ignition, it will clear out any fuel before it stops.
 
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