3.2L Diesel CEL P204F/P203D woes - Ford Transit USA Forum
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post #1 of 17 (permalink) Old 08-13-2019, 12:41:PM Thread Starter
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3.2L Diesel CEL P204F/P203D woes

So I recently (2 weeks ago) paid off my '15 T250 with the 3.2L engine (just reached 85K miles, bought used). Naturally, right after doing so, on a trip this past weekend, she starts throwing codes (in the title). DEF related from what I can find. I've searched here, and found some info, but am hoping for maybe a little more . It appears that I have to go play with the reductant components, but which ones are most likely the culprit? The injector, the heater, the controller (where to find this?)? Maybe just top off the DEF (there is no warning msg as of yet) and hope for the best?

Any ideas/direction from the denizens of the forum will be appreciated. I'd like to avoid the dealer if possible, I've not had to use them locally for this van and have no idea how it would work out.

Thx for reading,
ACE
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post #2 of 17 (permalink) Old 08-16-2019, 09:52:AM Thread Starter
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Well it appears that there isn't anymore DEF system DIY related info to be had here, so I'll proceed as follows (prior to taking to dealer):

- check/clean command module (under passenger seat) connector(s)
- check/clean sensor connectors
- drain/flush DEF tank
- clean injector if possible/check connection
- check/clean connections at DEF tank (e.g. tank pump/heater)

If there's something I should watch out for, or something I've missed, I'd appreciate any feedback.

Thx for reading,
ACE
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post #3 of 17 (permalink) Old 08-16-2019, 11:16:AM
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There is a good amount diesel info on this forum but all of it deals with fault codes, Maybe you should buy a scanner.

2016 transit cargo 250 MR, LWB, 3.5 Eco, 3.31
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post #4 of 17 (permalink) Old 08-16-2019, 11:28:AM Thread Starter
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Ok, thx. If you look at the post title, you'll see the codes I'm getting (P204F, P203D, read using a scanner ). These are now 'permanent'. They point somewhat to the DEF level sensor/heater/thingee (tech term). I was hoping others on the forum may have run across this and could say something like 'that happened to me and this is what it was'. The level sensor unit is almost $300, the injector is another $250+, etc. Shotgunning is usually expensive ...

ACE
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post #5 of 17 (permalink) Old 08-20-2019, 10:11:AM Thread Starter
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I've decided to take the van into a local shop that specializes in diesels, after I get back from a vacation. They have a good rep for service and beating the dealer prices ... we'll see. I'll try to remember to post the 'fix' so maybe it will help some other 3.2L owner ...

ACE
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post #6 of 17 (permalink) Old 08-22-2019, 04:43:PM
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I am also having an DEF/DPF related problem. I have a 2017 T350 wagon with 26K and about 2 weeks ago we were between San Antonio and Sacramento when the a message came on DPF full it would not auto or manually regen then it went to overloaded so eventually I had to stop and use my computer to force a regen that took over an hour. I thought it was all good but about 20mi down the road the engine light came on and codes were P2463 and P204F. When we got to Sacramento I took it to ford, they claimed all sensors tested good and codes were cleared they told me they updated and reprogrammed all the parameters related to the exhaust filter. All was good for a week then 200mi out of town it went bad now I have 5 codes:
P204F
P0401
P2463
P20BA
P0072
Now I'm back in Texas and the dealer is telling me 4-5 days before they can look at it if I leave it now. They wont make an appointment or provide a loaner until they diagnose the problem. Great warranty service! I will post back if it ever gits fixed.
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post #7 of 17 (permalink) Old 08-22-2019, 05:06:PM
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Carl: have you checked to see if your car is still under warranty? Transit Diesel has 100K warranty! EGR and Cooler were extended to 125K.

2016 T250 3.2L Diesel MR LWB
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post #8 of 17 (permalink) Old 08-22-2019, 05:10:PM
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Quote:
Originally Posted by davidwblock View Post
eventually I had to stop and use my computer to force a regen that took over an hour.
David can you please explain in detail.how you used your computer to start manual regen? I used ForScan with an OBDLink LX module but could not find that manual regen option. Only found the option to reset DPF Learned Values.

2016 T250 3.2L Diesel MR LWB
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post #9 of 17 (permalink) Old 08-26-2019, 06:54:PM Thread Starter
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@Bez ,
That did occur to me and I set up a 2nd appt., with our Ford dealer. But, the service mgr could not tell me what the warranty may cover until they determine what has to be fixed. This seems a bit underhanded to me.
ACE
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post #10 of 17 (permalink) Old 08-28-2019, 01:53:PM
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I also use ForScan but they do not support manual regen on the 3.2 at this time. I also have what appears to be pirated ford software that came with an OBD tool that I bought but I would not recommend it because it is not stable and probably not legal. The fix for my van was to replace the Reductant Control Module and several related sensors.
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