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- ajac
- Member Since: 20 Jul 2025
- Location: Shakespeare's County
- Posts: 31

Is there anything you can do to maintain the DPF system other than the normal car regen process?
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- Mole HD
- Member Since: 18 Nov 2024
- Location: Orkney Islands
- Posts: 313

You can have the DPF unit cleaned and flushed as a form of preventative maintenance. There are plenty of mobile or garage based services that offer professional DPF cleaning. It doesn't involve removing the DPF unit as it can be injected with cleaning fluid and flushed out when still fitted to the vehicle.
Professional cleaning clears out any soot, urea crystalisation and ash build up from the DPF. It can help prevent (or resolve) common DPF faults by removing those harmful but inevitable deposits. It's relatively inexpensive, probably £200 or there abouts...For garage based DPF cleaning services, it's usually a drive in, drive away process and doesn't normally require leaving your car there. Mobile services can do it at your home or even at your workplace in some cases. It routinely takes around an hour.
I flushed mine out myself as part of a complete service after I got the Bling Barge home, same method as shown in the video below.
If you check online, there'll probably be several garages or professional mobile DPF cleaning services near you. Have a chat with them on the phone if it interests you and they'll explain the process and what it does and doesn't do.
I'll post this up purely as a rough visual example of in situ and on the driveway DPF cleaning on a D5....
Atque in perpetuum, frater. Ave atque vale
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- Furnitureman
- Member Since: 04 Dec 2024
- Location: Midlands
- Posts: 7
Mole HD wrote:
It's possibly a sticking throttle body valve which is a fairly common cause of DPF fault indications as it soots up and the butterfly valve sticks...which can be cleaned and repaired but only as a temporary measure.
Replacement throttle body isn't cheap...especially from a dealership... but nowhere near the cost of a DPF unit
Average throttle body price from indy suppliers is around the £500 mark for a genuine LR part..around £100 cheaper for after market.
https://www.lrparts.net/lr078546-throttle-...-item.html
Throttle body from main dealers in Leicester to my garage £280 plus vat i was v surprised at that but all fitted and hopefully sorted
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- Mole HD
- Member Since: 18 Nov 2024
- Location: Orkney Islands
- Posts: 313

Wow, that's a great price! I guess I'll be shopping around for bits a bit wider

Atque in perpetuum, frater. Ave atque vale
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- Furnitureman
- Member Since: 04 Dec 2024
- Location: Midlands
- Posts: 7
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- Mole HD
- Member Since: 18 Nov 2024
- Location: Orkney Islands
- Posts: 313

Nice one...strangely enough I had short listed a very nice 2018 HSE at Marshalls in Leicester (through Autotrader) just before I opted for the one I have now. It had a bit higher mileage than I ideally wanted but I loved the colour...Kaikura stone or something... a light bronzey metallic

Atque in perpetuum, frater. Ave atque vale
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- ajac
- Member Since: 20 Jul 2025
- Location: Shakespeare's County
- Posts: 31

I think many folk overlook MD’s when comes to parts and service. Yes I know they can be very expensive on both counts but not always. I’ve have had many a bargain from Duckworths particularly on accessories.
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- Mole HD
- Member Since: 18 Nov 2024
- Location: Orkney Islands
- Posts: 313

Parts perhaps...but servicing or repairs outside of a warranty claim?...Scary stuff
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Atque in perpetuum, frater. Ave atque vale
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