--- title: Mobile DPF Cleaning Old Cassop, Durham canonical: https://mobiledpfcleaner.co.uk/mobile-dpf-cleaning/old-cassop-durham/ location: Old Cassop county: Durham latitude: 54.749150 longitude: -1.479670 service: Mobile DPF Cleaning updated: 2026-10-03 --- # Mobile DPF Cleaning in Old Cassop, Durham Everything a workshop would bring on your DPF is already in the mobile unit that arrives at your place across in Old Cassop. The van pulls up, the technician gets set up, and the work is done right there. The diesel particulate filter is treated on the motor, a regeneration is performed, and when the engineer leaves, the car remains exactly where it ought to be. It lasts roughly 2 hours, begins from £299, and the price is settled over the phone prior to anyone leaving. ## Expect this from a DPF cleaning visit around Old Cassop The fitted van requires somewhere to sit and an engine that will run periodically. Past that, the visit is out of your control: - Nothing is begun until a full scan has been carried out and live readings read from the engine ECU, giving the soot load as a percentage and a weight, and testing the sensors, the glow plugs and associated hardware. - A cleaning fluid passes in through the access point on that car and opens out inside the DPF, freeing the soot and ash a regeneration alone will never budge. - The regeneration then clears whatever the clean has loosened. That'll happen on the spot, or out on a monitored run through Old Cassop if you fancy coming along. - Any fault codes still outstanding get written down at that point, once the change has been proved and the dash light put out. Both reports reach your inbox afterwards, so you've got the figures from start and finish. ## Places a DPF job can happen round Old Cassop Anywhere the vehicle can stand for the length of the job. Most people already have somewhere that works: - A drive at home over in Old Cassop - An office car park - A quiet corner of a yard - Anywhere off Silent Bank with enough room to park - For the couple of hours you would be standing around anyway, the The Co-operative Food car park You do not have to hang about with the vehicle, and the DPF never leaves it. ## Choked diesel particulate filters near Old Cassop, and the reason Old Cassop is a rural hamlet, and the day-to-day driving that belongs to it is what a DPF handles worst. Soot that should burn off collects instead, because the filter never finishes a regeneration run — not on the run to Cassop Primary School, not queueing on A181 at the morning rush, not on a few minutes to The Co-operative Food, and not on the run to Durham. Geography worsens it. The A1(M) is under 3 miles from Old Cassop and Durham is under 5 miles away, so unless you have a regular cause to do that run, whole weeks go by without the long unbroken drive that would scour the filter on its own. By the time the light appears, the signs have generally been building a while: pull tailing off, revs that will not climb the way they should, a diesel smell in the cabin or dark smoke under acceleration, worse fuel use, and stop/start giving up quietly. ## What will call-out DPF cleaning not fix? Cleaning cures a unit clogged with soot and ash. It is not the answer to all of it that shows the identical light on a dash, and the scan is what tells the two apart ahead of anything being touched. A clean will not reach: - Faulty sensors reporting a block that is not there - An EGR valve jammed open - A fault in the AdBlue system, on the engines that have one - Injectors or glow plugs that stop the regeneration completing - Oil coming into the unit from a failing turbo Before any work starts is when you find out, rather than once the money has been paid. Two more worth noting. Having the unit cut out is not a solution — a vehicle without a serviceable DPF fails its MOT and driving it is illegal. And a clean is sometimes searched for as DPF renewal: nothing is replaced, your own filter is cleaned in place and put back into use. ## Trying a long drive first It costs nothing to try, and on a lightly loaded filter it normally works. Give it under 3 miles out of Old Cassop to the A1(M) and hold it there, or swing the long way into Durham rather than five more minutes to Shadforth. Once the light's on and you're in limp mode, that window has shut and cleaning at your address is what's left. ## What call-out DPF cleaning costs in Old Cassop Figures for mobile DPF cleaning start from £299. You also meet a call-out on any visit. It covers the travel, the booking, the diagnostic scan and the steer you are handed. You'll get the number by phone rather than off a price list, because the vehicle and the shape of the unit both shift it. Let us know what you own and roughly whereabouts you live — Old Cassop itself, out by Cassop, or anywhere else in the DH postcode area — and you'll know the price before a soul travels. Aftercare is not an add-on; it comes within the 30-day warranty the work includes. If the DPF warning light reappears inside that term, an engineer drives back out to Old Cassop. ## Whatever you run, we clean its DPF round Old Cassop One on-site visit, covering: - Your own car - Vans and light goods vehicles - HGVs and lorries - Site and plant machinery - Agricultural and farm machinery You're not driving anything to us: on each one the DPF is cleared in place, at your place in Old Cassop. Our own workshop steps in where an engine will not start: once you or your garage have got the filter off and a driver has brought it in, it is cleared within 24 hours. You will want a garage to lift the unit off and put it back, on either service. ## The DH area and Old Cassop: the ground we cover You are on a round we already cover: A181 gets our vans most weeks, and the same trip includes Old Cassop, Cassop, Old Quarrington and the villages beyond Shadforth and Quarrington Hill. Being beyond that across Durham is no barrier. Coverage reaches UK-wide; what decides whether it is today or tomorrow is the local calendar rather than the distance. ## Frequent on-site DPF cleaning questions across Old Cassop How much time does the visit run? A couple of hours or so, unless the filter's heavily clogged and has to be cleaned twice. What will mobile DPF cleaning cost me around Old Cassop? It opens from £299, and there's a call-out charge on top taking in the journey, the check and the advice. The motor and your address both move the price, so we cost it over the phone. Where do you in fact do the job? Both, right across Old Cassop or the surrounding Durham area. The DPF doesn't come off the motor — it's cleared exactly where the motor sits. When can an engineer make it to Old Cassop? Depending on the week's diary, the day itself or the next is the usual answer. Ring 0303 330 1830 and we will tell you there and then what is available across the DH postcode area. Is the visit charged for when the clean does not go ahead? Either way that charge applies, since it meets the journey, the scan and the advice. You are not billed for cleaning that does not go ahead. The DPF light comes back — what then? The 30-day warranty extends to aftercare, including a technician driving back to Old Cassop. After the clean, how long will it hold up? How the vehicle is run afterwards decides that. Allow it a proper run every so often — out past Durham, or down the A1(M) — rather than short trips around Cassop. ## Put on-site DPF cleaning arranged for Old Cassop A phone call to 0303 330 1830 and an outline of the fault is all it requires. The figure is settled first, then a time that suits you, and only then does a soul travel to Old Cassop. Beyond phone hours, email enquiries@dpf-fixer.co.uk and the same people answer it next morning. Mobile DPF Cleaner is a trading name of DPF Fixer Ltd, which is rated 4.5 out of 5 from 1,989 reviews on Trustpilot. The rating is held by DPF Fixer Ltd. We are ISO 14001 certified, ISO 9001 certified, SafeContractor approved and SSIP Approved, and our team carry comprehensive public liability insurance cover. Rather not phone? Give us the details and we will come back