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Home > Maintenance & Modifications > What's the correct way to self clean the DPF?
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AndyC



Member Since: 30 Nov 2007
Location: Where the snow dosen't melt when the sun is shining!
Posts: 4165

Norway 2007 Freelander 2 TD4 HSE Manual Stornoway Grey

Thankx Alex, however one intresting infomation is the reason for "Possible faults" = "Continuous low load town driving".

Our Freely does very little low load town driving, in fact it got the DPF FULL VISIT DEALER after returning from a two week round drive to north Norway and back.

Me means DPF = Crap 2007 Freelander 2 HSE TD4 Manual with Premium Pack & Moonroof.
Stornoway Grey with Ebony Black Pleather, Clear Indicators, Body Side Mouldings etc.

Post #118787 1st Nov 2011 11:05 am
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zone30



Member Since: 20 Jan 2009
Location: OVL
Posts: 683

Belgium 2009 Freelander 2 TD4_e XS Manual Santorini Black

Same here, I drive 1.5hrs of freeway each day. So even the fact that it gets full puzzles me.
Last time they gave me the "faulty sensor" too. Still under warranty so will push them a little, see what happens.

Its the waste of time that annoyes me so much. The garage is a 30 min drive, one way. Messes with your plans.

Post #118793 1st Nov 2011 11:39 am
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AndyC



Member Since: 30 Nov 2007
Location: Where the snow dosen't melt when the sun is shining!
Posts: 4165

Norway 2007 Freelander 2 TD4 HSE Manual Stornoway Grey

Good luck zone30: as earlier mentioned the stealers do get fed up with repeated DPF cleaning and give in the end by fitting a new system. Biggest problem as I see it is how long will the new one last Confused 2007 Freelander 2 HSE TD4 Manual with Premium Pack & Moonroof.
Stornoway Grey with Ebony Black Pleather, Clear Indicators, Body Side Mouldings etc.

Post #118794 1st Nov 2011 11:43 am
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AndyC



Member Since: 30 Nov 2007
Location: Where the snow dosen't melt when the sun is shining!
Posts: 4165

Norway 2007 Freelander 2 TD4 HSE Manual Stornoway Grey

Just found this - maybe not new, but worth reading again Whistle

http://www.theaa.com/motoring_advice/fuels...lters.html

so if you have a DPF, you will have to learn how to drive a car again Laughing

and this for self service:

http://www.turnerautomotive.co.uk/dpf-cleaning.html 2007 Freelander 2 HSE TD4 Manual with Premium Pack & Moonroof.
Stornoway Grey with Ebony Black Pleather, Clear Indicators, Body Side Mouldings etc.

Post #118801 1st Nov 2011 2:12 pm
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rchrdleigh



Member Since: 18 Aug 2007
Location: Somewhere in the East of England
Posts: 1601

England 2011 Freelander 2 TD4 XS Manual Baltic Blue

My MY11 TD4 manual has done 10.5K in 11 months, mostly on A and B roads with the occasional long run on a motorway or dual carriageway. So far (touch wood) i've had no need to clean the DPF or had any problems with it. Also know that the FL2 at LRE which spend most of their time off road going slowly do not seem to suffer DPF problems or need anything special in terms of running on roads to keep the DPF filter clean.

Post #118802 1st Nov 2011 3:13 pm
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grey18



Member Since: 09 Jun 2011
Location: west of england
Posts: 11

United Kingdom 2009 Freelander 2 TD4_e GS Manual Zermatt Silver

Hi,

I've just bought a Skoda Fabia that has a dpf fitted. They give some good info here:

http://www.skoda.co.uk/GBR/Documents/19246...let_v7.pdf

Touch wood not been a problem so far but only done less than 1,000miles. Car has done 34 000 miles though.

Hope it helps.

My freelander was thankfully pre- dpf

Cheers

Post #118804 1st Nov 2011 3:32 pm
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zone30



Member Since: 20 Jan 2009
Location: OVL
Posts: 683

Belgium 2009 Freelander 2 TD4_e XS Manual Santorini Black

Anybody know how to get the bullitin about the DPF sensor mod Biga was talkin about on page 1?

Post #118821 1st Nov 2011 5:43 pm
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Pegleg



Member Since: 15 Apr 2010
Location: Deep in mid Wales
Posts: 3114

Wales 2008 Freelander 2 TD4 GS Manual Santorini Black

You certainly have a point with petrol.
All this using RPM to clear out the DPF puts more crap in the atmosphere, sort of defeats the object.

Wonder if FL3 will use Evoque petrol powertrain? Another member of the failed FL2 clutch/DMF club, twice.

Post #118826 1st Nov 2011 7:04 pm
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zone30



Member Since: 20 Jan 2009
Location: OVL
Posts: 683

Belgium 2009 Freelander 2 TD4_e XS Manual Santorini Black

Ok they regenerated the DPF costing me 140 euros (100 GDP) as it is "not a warranty issue". And they said all is ok with the system.

I've now launched an official complaint to Land Rover BeLux, the importer for Belgium and Luxembourg. They will contact me back within a week (they said). If that does not result into a satisfactory solution, I will complain send a compaint to Land Rover manufacturer but first I need to wait for how this complaint rolls out.

Any info, especially documentations like the PDF are more then welcome.

This is kinda description I of the complaint in a nutshell:

As I drive approx 80 to 100 kms / day on motorways with at least 2x30 minutes of straight unobtrusive driving I do not understand that I even get a fault on the DPF as it more then within the proposed generation process of 20 minutes +50 kms / hr driving of +2000 rpm. I do at least 30 minutes at +100kms / hr driving and 2500 rpm twice a day.

Dealer tells me I need todo a lot more rpm (i.o.w. drive like a crazy person) which is not stated in any documentation by LR, which is against the eco-system that tells me when to shift and wich in my opinion reduces the engine-life.
Based on current informations it would mean I have 2 choises: either follow the documentation which does not work, cloggs up the DPF which is not good for the engine OR drive like a crazy person, revving the engine, which is also not good for the engine...

so agian, any info, documentations, preferrably offcial LR ones are more then welcome.

Post #118883 2nd Nov 2011 10:19 am
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AndyC



Member Since: 30 Nov 2007
Location: Where the snow dosen't melt when the sun is shining!
Posts: 4165

Norway 2007 Freelander 2 TD4 HSE Manual Stornoway Grey

zone30: You wrote "Ok they regenerated the DPF costing me 140 euros (100 GDP) as it is "not a warranty issue". And they said all is ok with the system."

Why is it not a warranty issue Question Our Freely had its DPF cleaned at the stealers 2 or 3 times under warranty before the whole system was exchanged. This was all done during the last year of the 3-year warranty. 2007 Freelander 2 HSE TD4 Manual with Premium Pack & Moonroof.
Stornoway Grey with Ebony Black Pleather, Clear Indicators, Body Side Mouldings etc.

Post #118888 2nd Nov 2011 10:57 am
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zone30



Member Since: 20 Jan 2009
Location: OVL
Posts: 683

Belgium 2009 Freelander 2 TD4_e XS Manual Santorini Black

Hence the complaint.

I guess it's not a warranty issue as they found no fault, but I'm not gonna leave it at that.
The system may work correctly but the system is no good.

I'm currently gathering all possible info I can find so as to reclaim my current cost and any future costs resulting from doing nothing about it. I hope if I can convince them that I follow their official instructions and beyond, they will act and at least do something. I plan to annoy them at least as much as this situation annoys me.

Based on my driving pattern and their info I should never get a DPF issue unless something is faulty.

Post #118892 2nd Nov 2011 11:53 am
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Atrix



Member Since: 26 Jan 2010
Location: RIGA
Posts: 83

Latvia 2009 Freelander 2 TD4 S Manual Lago Grey

My condolences, zone30. The DPF-system which JLR has patched together in FL2 is crap.. sorry to say that. If this plight has befallen you, there won't be an easy cure. And they won't admit that anything is not in order with their cars and nobody except them will be able to get into electronics As AnyC wrote, they will change the pressure-sensors or some components in the exhaust-system, then reset the ECU and you will drive without problems till the next re-generation which occurs approximately after 850km driven and you will have to pay for this forcible regeneration at service stations. They will tell you that you do to much short-distance-driving Not to mention a constant fear that a 'reduced-engine-performance' and 'visit-the-dealer'-messages can pop up when you attend to urgent appointments. You might be invited to unplanned engine-oil-changes let's say after every 5 Tkm due to oil-dilution connected to frequent unsuccessful DPF-regeneration attempts, during which unburnt diesel fuel gets into the oil. That is what they call an endurable 4x4 vehicle that can get almost anywhere. May be, if you drive motor-way all the time it won't let you down Smile Ok, I don't want to become to sarcastic. And I don't accept any talk suggesting that this is a commonly known problem for all brands. I suppose that FL2 is not the most popular 4x4-vehicle in Germany (if I am not mistaken, half a year ago the production of 250.000 FL2 was celebrated to compare with VW Tiguans' approx. 600.000, most of them sold in Germany). So, in our LR-Forum there are already 143 pages written in the DPF-problem-thread http://www.blacklandy.de/blboard/forum/sho...p;page=143 You can get there complete stories of fading hopes for finding a permanent solution to DPF-problem. If somebody finds a similarly long thread in a forum for another relatively rare car model, please let me know Smile I have cut out the DPF and replaced with an electronic-box imitating the presence of DPF. The ECU doesn't recognize this device, therefore the yellow engine-warning-light goes regularly on, but, thanks God, I got rid of the thing, which JRL calls a normally functioning DPF. These guys should move their Censored to find a cure for what they messed up. I hope somebody's legal complaint against the manufacturer will be successful one day.. Good luck, zone30!

Greetings from Riga Wink

atrix

Post #118951 2nd Nov 2011 8:10 pm
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oldgeezer



Member Since: 09 Apr 2011
Location: Wiltshire
Posts: 1302

United Kingdom 2013 Freelander 2 TD4 GS Manual Baltic Blue

There is a real simple way of beating the system to a regen before it becomes clogged and without diagnostic gear.

just restrict the exhaust whilst the engine is running , the pressure sensor thinks the cat is getting blocked and puts it into regen mode , give it a good blast & off you go. Simple for town driving.

Remember the exhaust gets very hot. I actually have a sleeve that can restrict the exhaust on most diesels and put any into DPf clean mode before its too late ! just home made or a grass bank works wonders Rolling with laughter

Post #176825 22nd Mar 2013 9:04 pm
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EYorkshire



Member Since: 18 Nov 2010
Location: (!)
Posts: 4392

I'm gonna disagree 'Oldgeezer'. Smile

There is no 'pressure sensor' in strict terms, re-gen is activated by various means and one of them is by the 'differential sensor', if the DPF is NOT blocked as you said then by plugging the end of the exhaust pipe will not create a differential across the DPF, the internal pressure will be the same or abouts.

For re-gen to work in this way there has to be high pressure before the DPF and low pressure after indicating a blockage, not high or low, but a difference.

Post #176858 23rd Mar 2013 10:54 am
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Past master



Member Since: 30 Jun 2010
Location: Isle of Ely
Posts: 2710

United Kingdom 

DPF was not fitted in the UK until, I think, 2010. Before that only Europe export models were fitted and they seem to be the ones that have most of the problems, at least those reported on the Forum.
I don't have an answer for you, I'm afraid, but I'm suggesting that the post 2010 models seem to have fewer problems. As has been posted before, the LR Experience cars don't seem to do much motorway work, but they don't have problems - I was told (at the Luton Experience) that using premium grade fuel also helps.

Post #176900 23rd Mar 2013 2:55 pm
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