How to Avoid DPF Problems - Diesel Particulate Filter

Let's explore how we can make the DPF last for a long long time without problems.

In this video you will be able to see:
* General overview of How the DPF works - "the magic inside"
* The causes that lead to DPF failure
* How to avoid DPF problems
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0:00 - How to Avoid DPF Problems INTRO
0:21 - How does a DPF work
0:52 - How to make the DPF work forever
2:30 - Avoid DPF Problems - Driving Habits
3:40 - Avoid DPF Problems - Know Your Car
4:12 - Avoid DPF Problems - Servicing
5:31 - Avoid DPF Problems - ECU Remap & Tuning Box
6:34 - Avoid DPF Problems - Technical Issues
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[L.Lyubomirov]

Delete hardware+software, no smoke, no smell nothing...car runs super good !

[jamesward]

We clean DPF's - we weld & repair them too. The DPF on my own vehicle is the original & has 374, 000 miles service done. Still works perfectly. Get yours cleaned when it needs it, follow the advice of this video & it will be all G. If it ain't... well there's people like us who can help.

[dnsdfs]

The whole video idea, concept and conclusions about DPF are right and can be called as a BASE for long lasting DPF.
I've been working with DPF's alot and in advance of this video i want to point out some things:
1. Don't listen to those who say that DPF cleaning or 'washing' (call it whatever you want) is pointless, because it is not! If you're doing it in, as i say, basement workshops, they will surely ruin it with agressive chemicals and other stuff. Find a nice, approved workshops who specialize in DPF cleaning procedures, and do it, i would say, every 150k on clock.
2. Don't use any of DPF cleaning chemicals which is supposed to be added to the engine fuel, because it will ruin your DPF's ceramic and you will be in a big PAIN as the ash will stick pretty hard on it.
3. Keep in mind to once in a while check your sensors and keep an eye on active regen cycles, if they are getting often or not.
4. Never, never tune your car with history of bad DPF.
5. Use quality fuel.
Besides that thumbs up, information is great.
Suggestion for the next video is EGR valve, as it can be a culprit for a DPF related issues.

[AdamDitheridge]

There are loads of reasons a DPF won't regen: faulty thermostat, broken sensors, fuel tank below 25%, faulty differential pressure sensor, bloked sensor pipework, faulty glowplugs (they are used for more than just cold starts), broken or missing outside ambient temp sensor (the one usually found in a wing mirror). The list goes on....
But the main points are to keep your engine well serviced: at least every 10, 000 miles. Correct oil spec for your diesel, usually C3 or C4 low SAPS. And use premium diesel.

[ctrldelete]

Some Regens are only triggered by distance they don't all kick in when you go on a drive if dpf is not clogged or over accumulated. If the soot accumulation is bad 30 minutes drive with Regen activated won't be enough. If soot accumulation is high you will find the set distance the Regen should kick in (600km ) is ignored and will Regen more frequently even after completing a full Regen. This means more diesel fuel is being sprayed into the dpf over a longer period of time. Not only is diesel used to move your car but at the same time it's pupmping diesel into the dpf to clean it meaning fuel is being used at a higher rate making you fill up more frequently.


Then there is the difference between soot and ash. When soots burned off it leaves ash when this builds up it's worse than soot.

[RealJeep]

In 4 years my DPF light has only come on once. The rest of the time I'm on the open road running a diesel like it's supposed to be run. What damages these diesel systems is driving them around town at slow speeds and low RPM's. If you're an urban dweller, trade into an EV or gasser.

[nashh]

What do you think about the DPF additive that needs to be poured into the fuel tank? I read on many forums that some people use it. Do you think this could help with a longer life DPF?

[kjellsundin]

Good info, but one of the most important things to check is how much engine oil is being used, if a lot of oil is being used >1 liter per 1000km, then the cause needs to be investigated, wear, bad oil trap for the crankcase ventilation, leaking turbo lubrication etc. This quickly leads to increased amount of soot and ash amount in the particle filter. So be sure to fix this first before cleaning or regenerating the particulate filter regularly.

[petermandel]

Clean your dpf Injector spray nozzle. DPF Crystals build up on the nozzle and disrupts the spray pattern.

[Robs.channel]

The manufactuars should put lights on. So you know when its regenerating. so the driver can finish the regen instead of turning it off. I am sure my short drives kils my dpfs. I have had 3 vans of wich one was new who had the check airinlet system and engine light on 95% of ownership.

[mariuscociuba]

Hello. I’ve bought an used car, and now, at over 280k km, the dpf needs to be cleaned. What solution do you recommend ? Burning (extreme heat) or wet cleaning (water with a bunch of chemicals). Thank you

[malcolmlane-ley]

Good presentation; I worry that my Range Rover 4.4D doesn't get a good blast because even at motorway speeds the engine is barely doing 1500 rpm.

[SteveN-pwdj]

I am looking at a car with a known issue right now, lifters have failed in the engine after miles and expected timing chain failure shortly after... The cause, numerous failed DPF regenerations as a result of driving a diesel car short distances, as diesel ends up in the oil diluting it and causing crank bearing wear, lifter bearing wear, timing chain wear and oil pump/chain wear, and probably anything else lubricated by the oil... The fix is £2500-£5000 depending on damage caused, and will occur again in another miles or so... All because of DPF technology in some newer cars being flawed.

[sheffcitysforgedinsteel]

Hi,
I have a question, how do I keep an eye out for active regen cycles? My car doesn't let me know when it's in a regen cycles

[Coombsly]

You’ve got some good knowledge on dpf systems. (I’ve spoken to my boss who’s said you’d like to do a video on our cleaning process) but I’d like to help you with some of the technical back ground if your interested?

[tichwykes]

I think you need to make sure your glow plugs are in good condition so the vehicle can cold start ok without running on 2 or 3 cylinders as that can cause issues, interesting point about oil consumption so I'd definitely check the inlet to make sure no oil is getting dumped into it, if it is get it checked out & fixed if it's a breather issue. Check engine temp as if it doesn't get hot enough it won't regen so may need a new thermostat, also make sure the exterior temperature sensor is working as if its blank you will get DPF issues.

[connectlogic]

too many things can cause this to not regen, ,even an outside temep senor fail will stop the dpf from regen .its a constant battle.

[randompotatoguy]

use premium diesel, drive your diesel on motorways once or twice a week for 40 minutes, should be fine.

[emilegoguely]

Would driving at 2-3k rpm help with having a stronger exhaust flow?

[sen]

Got rid of my diesel, DPF is the devil, cars regen and you don't know about it, so switching the car of mid regen is really bad