DAF DPF REGENERATION PROBLEMS: THE RIGHT WAY TO DIAGNOSE IT.

Автокөліктер мен көлік құралдары

white smoke and my truck won't stop regeneration on new daf.......see this a few times now so it's video time! with fault codes P3776 doc efficiency too low and p3861 too much soot detected we investigate what the possible causes could be to block the diesel particulate filter and identify where it's going wrong on EAS-4.
part two you can find here: • HOW TO FIX ANY DAF EXH...
#dpf #daf #regen #exhaust #mx-11 #mx-13 #newdaf #cf #xf #faultcode
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Пікірлер: 47

  • @gilbymdgrekords8579
    @gilbymdgrekords8579 Жыл бұрын

    Your a growing legend mate, your videos really help me with furthing my knowledge, (working on hgvs for only 2 years now, moving over from cars) and ad-blue and EBS faults seem to my nightmare at the moment. Keep up the good work 💪👌

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Thank you so much for the comment! Your the sort of person I'm trying to help as I was once in your shoes (wanted to know more but had no help or content to do so) I'm glad your finding these videos helpful. 🤩👌

  • @CreRay
    @CreRay9 ай бұрын

    Excellent work, as an engineer working in this area I can not fault your diagnose. My guess is that this customer has either run on some high sulfur fuel, or has been running for prolonged time on some kind of biodiesel. You can't drive everywhere in a Euro 6 truck as these require low-sulfur fuel, it's why even in 2023 armies buy downgraded Euro 3 trucks.

  • @preslavvasilev7387
    @preslavvasilev7387 Жыл бұрын

    Had similar problems this week on EAS - 3. DPF full of soot, regeneration was stopped by failed NoX before cat and DPF pressure sensor. Changed sensors and cleaned dpf. After initialisation truck is back on road. I am from Balkans and here is possible to clean via machine the DOC :D Thinking about making videos, just have to get better in video edit :D :D Good job buddy.

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Good job on fixing it. This truck has had a few DPF'S before it had the whole system replaced. It was only when I'd got hold of it and ran the doc performance test we could identify that the soot filter was blocking up due to poor REGENERATION temps. I don't believe the doc was contaminated but then again something had to contribute to it going the way it has 🤷 I'd say go for it with the videos ....all I can say is it must take me 8 hours in the week to make one video 😵‍💫

  • @woolbus4319

    @woolbus4319

    2 ай бұрын

    @@TRUCKTECHUKwhat in the exhaust system causes it to not get to the right temperature?

  • @godwinzaah1401
    @godwinzaah1401 Жыл бұрын

    nice job waiting for more

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Oh it's coming, Ive cstarted editing it and I find remove and replace so boring but it's all part of the job 😅

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    @@godwinzaah1401 it depends what it is. If you have fault please post it up here for people to see incase they have the same issue as it also might help them in the future. I do not take phone calls.

  • @Johnboyhaulage
    @Johnboyhaulage Жыл бұрын

    Hi got a 2016 Daf xf 510 having problem with smoke seems to be coming from the passenger side the system on this lorry has had the exhaust split in two one half on the passenger side one half on the drivers side the exhaust exit is on the passenger side the dash comes on with emission failure and then engine malfunction occasionally checked the dpf filter on the dash hardly nothing showing. Doesn't burn any engine oil no leaks any ideas ???? Many thanks John

  • @user-ew2bl8ts6i
    @user-ew2bl8ts6i Жыл бұрын

    If possible, I would like to clarify, error P3768 particulate filter pressure sensor. Output pressure. Intermittent or incorrect data. I noticed on several machines in the status of inactive, everything is fine in terms of pressure, after regeneration it does not appear, as soon as the flight and after a week it is again. Is DPF dying? DAF XF E6

  • @walterblanco3794
    @walterblanco3794 Жыл бұрын

    When you say the whole exhaust are you replacing the DOC, DPF and SCR? The reason I ask, I’m in the states. We can replace each piece individually. Also, I’m curious what happened to the DOC to cause it to fail?

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Thanks for the comment Walter, as of 2017 DAF introduced EAS-4 for the mx-11 and mx-13 which reduced the exhaust system into one unit unlike when we had euro 6 (2014-2017) that had the DOC and DPF separate to the SCR. but again over here the DOC has never been separate and has always been non replaceable on any system since 2014. Only thing you can service is the DPF. You have to buy the whole system which is next week's video 👌 I've been unable to find any component that has failed and contributed to blocking the DOC or damaging it, no rapid soot loading from turbo, no oil contamination from a failed turbo or valve stem oil seals. I had the correct amount of fuel from the dosing valve in the exhaust. I just know a new DOC/whole system fixed the issue

  • @norb0254
    @norb0254 Жыл бұрын

    As the new system comes with a new ecu and sensors I keep the old ecu and sensors for test units ..They have never asked for them back ,they are happy with the core unit

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hey norb, yes I've a abundance of these now 😅. The one thing I could do with as 2nd hand parts is DOCS 🤣

  • @norb0254

    @norb0254

    Жыл бұрын

    @@TRUCKTECHUK No chance with the doc lol..I just want parts lol 2 months to get a cam kit

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    @@norb0254 yes it's ground to a halt now hasn't it 😪 soon be running out of yard space!

  • @norb0254

    @norb0254

    Жыл бұрын

    @@TRUCKTECHUK I guess you get the calls from daf asking what is taking so long lol

  • @CosgroveNotts
    @CosgroveNotts9 ай бұрын

    Yep,nightmare trucks nowadays. Good lad

  • @mmaandboxinguk3513
    @mmaandboxinguk3513 Жыл бұрын

    Hi, I have a DAF cf 250, it seems to be doing regents after every 100-150 miles. Also keeps coming up engine malfunction, adblue dosing and going into limp mode. We changed the Nox sensor but doesn’t seemed to have helped. Do you think it would need the full exhaust change or have any idea what it could be. Any advice would be much appreciated

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hi, thanks for the comment. 👌 I know I put an exhaust on this vehicle and it DID RECTIFY THIS FAULT but from what you described fault wise, personally I'd want to do some testing as in my books exhausts are a last resort and you REALLY need to be able to justify the pounds. If you send me a message over on the contact page at www.trucktechuk.com I can see about you getting it fixed right, first time 😎

  • @newaej8484
    @newaej8484 Жыл бұрын

    Nice

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Thanks man 😎 glad you enjoyed it 😊

  • @kdo2487
    @kdo2487 Жыл бұрын

    I would have replaced nox after cat and let the truck ride. This fault is a result of wrong data send to pci from nox sensors, could be ad blue problem though. Maybe im wrong but i didn’t see any temp DTC’s

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hi thanks for the comment, while I completely agree with you about Nox sensors having a part to play in monitoring regeneration, as you know we have one Exhaust gas temperature sensor before DOC and also one before the DPF. These two measurments are used to calculate the temperature rise over the DOC, these sesnors determine if a regeneration is started, what the generation temperature is, calculation of the amount of fuel that must be injected to control regeneration and for diagnosis of the DOC efficiency. As per the video the temperature sensors read correctly, not only from a base measurement but also during regeneration, with large quantities of white smoke during regeneration and a fault being set for DOC efficiency I'd say the temperature sensors were working correctly in diagnosing the DOC at being ineffective at reaching opperation temperature. I'd of possibly ran tests on the Nox after cat sensor if I had DTCs of implausible or inconsistent reading/ low SCR efficiency but as I only had two fault codes in the EAS not realting to Nox sensors or SCR I went with what comes first in the system.

  • @alexbrito2890
    @alexbrito2890Ай бұрын

    Aonde eu consigo software devia 4

  • @rafwlkpPL
    @rafwlkpPL Жыл бұрын

    New generation trucks are so annoying with test and replace procedures. I would repair/replace only necessary things, not whole unit. I know it's cheaper in labor, but small fleets operators are pissed off with invoices from service...

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hey thanks for the comment 👌 I understand what your saying but I'd say this situation is no different than euro 5 from 10 years ago. If the catalyst had failed in the exhaust then you would still have to replace the whole exhaust, Id love the manufacturer to make DOC'S Serviceable just like DPF'S but I suppose in reality they never should go wrong hence it being unserviceable, this whole system being replaced under warranty, the only cost to the operator was the vehicle downtime which was a day......that would of been longer if the manufacturer had me swapping over every component on the exhaust which we will get into next week 😎

  • @rafwlkpPL

    @rafwlkpPL

    Жыл бұрын

    @@TRUCKTECHUK of course for first owner of truck like this it doesn't really matter, but when it comes to the second/third/etc owner with less service care it's pain in a$$... But I also understand manufacturers point of view, nowadays vehicles are made for intensive work, if something is wrong it has to be repaired as soon as it's possible and get back to work to make money for a new truck ;)

  • @CreRay

    @CreRay

    9 ай бұрын

    @@TRUCKTECHUK Some other manufacturers (like Scania) have replaceable DOCs on their B100 vehicles, more are following their path. Regular diesel ones (B7) don't.

  • @graemepearson7539
    @graemepearson7539 Жыл бұрын

    When will you manual be available ? Thanks mate 👍

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hey buddy thanks for the comment 👌😎. Still tapping away at it with all the other projects and courses I'm doing but Xmas should see me finishing up on it 👌👍

  • @graemepearson7539

    @graemepearson7539

    Жыл бұрын

    @TRUCKTECHUK perfect mate be sure to let me know when as would be really interested in getting my hands on it. Must say great work and fantastic knowledge. Keep up the good work 👏

  • @piotr3468
    @piotr3468 Жыл бұрын

    What diagnose programm do You use on this video?

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    In this video I use paccars diagnostic program Davie 4, the same diagnostic methods and monitoring sets could of been applied with non dealer diagnostics such as jaltest which would of achieved the same result

  • @warhammermodsmith
    @warhammermodsmith Жыл бұрын

    FANCY!!!!!!!!!!!!!!!!!!!!❤🎉❤❤❤❤❤🎉

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hey stu 😂😂😂

  • @warhammermodsmith

    @warhammermodsmith

    Жыл бұрын

    @@TRUCKTECHUK HELLLLLLO!!!!! Sausage

  • @glynrogers1018
    @glynrogers1018 Жыл бұрын

    Hi Mr strugglinger sent me over regards

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Thanks for dropping by! Got a video coming tomorrow to keep everyone entertained hopefully 😁

  • @lukesims6636

    @lukesims6636

    Жыл бұрын

    Nice one mate these are helping me in my job we have 4 rigid hook lifts with similar engines and ad blue / engine faults and 30 LF 4 cylinders which are about 3 years old now so are starting to be troublesome I work for local council could you maybe post about the adblue / exhaust systems if you come across them in the future thanks 👍🏻🏴󠁧󠁢󠁷󠁬󠁳󠁿

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    Hi luke, thanks for the comment 👌. Your hook lifts will most probably be mx-11 engines if they are DAF (cams are in the head). I will get onto adblue issues soon hopefully as I will be looking to replace this adblue video ( kzread.info/dash/bejne/f5OrlJuDddW8dto.html) I've a book for the mx-11 I'm STILL trying to finish that covers how the exhaust system works, service intervals and how all the adblue works with diagrams that should help you out when you get stuck and want to test stuff and I've some online courses I've started building so hopefully in the next 12 months I should have a good source of information to help people 😎

  • @glynrogers1018

    @glynrogers1018

    Жыл бұрын

    @@TRUCKTECHUK hi mate I think got the wrong person regards

  • @TRUCKTECHUK

    @TRUCKTECHUK

    Жыл бұрын

    @@glynrogers1018 sorry mate, I had a comment on here from Luke so commented back 🤷🙈

  • @w388y1
    @w388y1Ай бұрын

    Dealerships in my area are a waste of time

  • @ToyotatechDK
    @ToyotatechDKАй бұрын

    Please ditch the horrible background music

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