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Discussion Starter · #1 ·
Looking for answers if anybody else has had this problem. New dpf was put in last week and the dealer said this would fix my problem. As of yesterday 3 regens in less than 75 miles. The last one came in 25 miles. Truck is running good with no hiccups or any other things going on. Any help would be appreciated.
 

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Regeneration is triggered by a differential pressure sensor; one side of which is on the dirty side of the filter. If it was my vehicle, I'd make sure that the sensing lines were not plugged. I'd also look into the sensor itself. If that doesn't do it, your engine is producing a huge amount of soot....
 

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@b-rad - may I inquire as to why the original DPF was replaced? This is my biggest concern with our vehicles, especially for those owners who do not manage/monitor DPF regens via FORScan. DPF replacement at less than 2 years is concerning...

Was the replacement covered under warranty? (I just turned 36K last night on my trip home from JFK airport and my truck turned 3 years old last month = 3yr/36K Bumper-to-Bumper warranty is over for my first model year 2018 Platinum)
 

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Discussion Starter · #5 ·
Mine is a 20 with 20,000 miles. They ran a bunch of test a determined the dpf was bad and yes it was covered. Going in Monday with the field service agent coming in to go through it as this is the first one he has seen having this problem.
 

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@b-rad - PLEASE feedback anything and everything from this meeting, as I can guarantee you that a lot of members here will be very interested in what Ford and the field service agent find. Maybe record the conversation on your phone in your pocket?

Scary you had to have this done on a 2020 w/only 20K miles. Do a lot of highway driving?

Also want to extend a big thank you for willing to go to your dealer to meet with the field service agent to find out why.... Maybe snap some pics & post back if they crack the old one open? Any photo/video documentation you can collect would be a great resource here in the forums.

Can I ask some follow-on questions:
  1. Have you exposed DPF Full% via FORScan?
  2. Are you monitoring DPF regens via FORScan or OBD display (like Edge Insight CTS3)?
  3. What is your typical drive cycle? City/stop-and-go? Highway?
Thanks in advance.
 

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Discussion Starter · #7 ·
Dpf screen was added with ids to monitor. Rt now my driving is 50/50 mix. Normally drive a couple hundred miles each weekend and regens occur less than 100 miles which is definitely not normal.
 

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... Rt now my driving is 50/50 mix. Normally drive a couple hundred miles each weekend and regens occur less than 100 miles which is definitely not normal.
Agreed = definitely not normal. If your EGTs are up to operating temps (> 576 F), you should be able to go more than 300 miles with passive regeneration with highway driving = only thing preventing anyone is automatic Active regen forced every 300 miles.

I agree something definitely is not working-as-designed (WAD) post-install after the DPF replacement, so force them to fix; otherwise, just report your issue to FHA and EPA and watch how fast Ford reacts.
 
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@b-rad - did you find out any more details regarding you old or new DPF filter during your dealer visit yesterday?
 

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@b-rad - Holy crap Batman! That is one **** of a list! Looks like they will be busy with pin tests most of this week...

Interesting to see DOC (Diesel Oxidation Catalyst) listed out specifically, as Ford went out of their way to avoid spelling out any form of DOC in what little literature there is for the emissions systems in our trucks...

Please let us know the outcome of the above testing and what Ford's next steps are for your vehicle.
 

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Looking for answers if anybody else has had this problem. New dpf was put in last week and the dealer said this would fix my problem. As of yesterday 3 regens in less than 75 miles. The last one came in 25 miles. Truck is running good with no hiccups or any other things going on. Any help would be appreciated.
Never had that problem I always use a cetane booster with every fill up as well as OX fuel additive which helps with cleaner running engine
 

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Discussion Starter · #14 ·
Well I got my truck back today. Ford engineering says the dpf percentage on the screen is not accurate but it’s funny I get the countdown going and the injector in the dpf ticking when the screen shows 100%
They are replacing the sensor in the dpf is the only answer I got and everything else checked off within spec. Hope to update when the sensor is replaced.
 

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Well I got my truck back today. Ford engineering says the dpf percentage on the screen is not accurate but it’s funny I get the countdown going and the injector in the dpf ticking when the screen shows 100%
They are replacing the sensor in the dpf is the only answer I got and everything else checked off within spec. Hope to update when the sensor is replaced.
If you have forscan, you can monitor the PIDs with your phone. It will tell you how long you are going between regens, as well as when one is active or not. Maybe look into that for when you're testing things out.
 

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I had very much the same issue with my 13 Ram diesel. It ended up being the pressure differential sensor. The sensor failed and was telling the computer that the DPF was full. The truck went into ReGen probably 8-10 times while driving from Ny to Va. Fuel MPG’s tanked that trip the Check engine lamp came on. Didn’t go into limp but the dealer in Va said it was close. $300 later an everything was back to normal.
Hope this sensor resolved your issues as well.
I joined here to learn all I could about these trucks before I bought one. This forum has sold me on them. Only now my dealer says they can’t locate or order me one. Too late to the party I guess. Ford really blew it not marketing these trucks better.
 
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