DPF Regen Frequency and Notifications? - Ford Powerstroke Diesel Forum
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Old 05-10-2013, 10:44 PM
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DPF Regen Frequency and Notifications?

I took a leap of faith and bought a 2008 F250 after reading and reading and reading about everything on every forum for weeks. I absolutely love the truck. It has 140500 miles, 1500 of which I've put on it so far. Anyhow, the first thing I was concerned with was obviously my EOT/ECT and DPF. I bought a Scangauge to use on all of my test drives before I bought anything.

So far, I have been watching my display and EGTs without and indication so far in the last 1500 miles of a DPF regen. I literally drove 250 miles one day just to watch it regen and I still haven't been able to get any indication that it is happening. Yes, there is a DPF and no tuner on the truck (yet).

I know it will regen at some point, but is this normal to go so long without happening? I see my EGTs going from 450-650 depending on level or grade driving. I leave my dash display on the average MPG screen. From what I've read, it will flash me a quick note about cleaning the exhaust system and go away when in regen and my EGTs should spike for some arbitrary duration until complete.

Last edited by Expirobo; 05-10-2013 at 11:00 PM.
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Old 05-11-2013, 06:20 AM
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1500 seems like a very long time without a regen. Are you sure the dpf is still installed? If it is then is it possible that it may just be hollowed out?
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Old 05-11-2013, 06:35 AM
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if this truck has never been reprogrammed with the latest calibration at some point , it is possible for the display to not give you a warning when it is in regen , i have heard this complaint before and have spent some time with a couple trucks where they didnt , some of the early production trucks ive been involved with never gave warning but with that said , the vehicle did have a slight loss of power when in regen even without the warning
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Old 05-11-2013, 10:09 AM
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I'm not sure if that it hasn't done a regen since I bought it, especially with 140k miles. The Oasis report says the PCM was reflashed as a recall/TSB at 60k miles. I'm not sure that it will indicate that it is in regen unless I know what flash was installed. Anyhow, the DPF is not hollowed out to my knowledge. Regardless of the PCM flash, the EGTs should spike to somewhere around 1000+ degrees right?
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Old 05-11-2013, 01:35 PM
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Quote:
Originally Posted by Expirobo View Post
I'm not sure if that it hasn't done a regen since I bought it, especially with 140k miles. The Oasis report says the PCM was reflashed as a recall/TSB at 60k miles. I'm not sure that it will indicate that it is in regen unless I know what flash was installed. Anyhow, the DPF is not hollowed out to my knowledge. Regardless of the PCM flash, the EGTs should spike to somewhere around 1000+ degrees right?
Yes you should probably see that or even a little higher.
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Old 05-11-2013, 06:53 PM
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Quote:
Originally Posted by Expirobo View Post
I took a leap of faith and bought a 2008 F250 after reading and reading and reading about everything on every forum for weeks. I absolutely love the truck. It has 140500 miles, 1500 of which I've put on it so far. Anyhow, the first thing I was concerned with was obviously my EOT/ECT and DPF. I bought a Scangauge to use on all of my test drives before I bought anything.

So far, I have been watching my display and EGTs without and indication so far in the last 1500 miles of a DPF regen. I literally drove 250 miles one day just to watch it regen and I still haven't been able to get any indication that it is happening. Yes, there is a DPF and no tuner on the truck (yet).

I know it will regen at some point, but is this normal to go so long without happening? I see my EGTs going from 450-650 depending on level or grade driving. I leave my dash display on the average MPG screen. From what I've read, it will flash me a quick note about cleaning the exhaust system and go away when in regen and my EGTs should spike for some arbitrary duration until complete.
--------------------------------

I bought my 2008 new. It now has 167K. On my truck Regen occurs between 150 and 300 miles depending on type of driving.
Several years ago I bought a Dashdaq/spartan mainly for monitoring the 300 plus Ford specific parameters. One of which is regen active. I have the latest flash updates. When my truck goes into regen the EGT cycles between about 1000 and a max of 1350 driving between 60 and 65 MPH. At that speed the regen completes in 15-20 miles of driving. The regen notification will flash on the dash but I rarely notice the light. I do monitor the regen active signal on the DashDaq/Spartan, so I know when regen starts and ends.
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Old 05-11-2013, 10:34 PM
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If only there was a code that would indicate regen status on the scangauge. I bet there is a CANBUS hex code that I can monitor that will show me the bit's status on the system.

I might call them to see if they have something that I can program in to show it. Anyhow, not toooooo worried about it but I want to get a baseline on the regen frequency to keep track of the health of the DPF.
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