--- title: Bottoms Mobile DPF Cleaning canonical: https://mobiledpfcleaner.co.uk/mobile-dpf-cleaning/bottoms-cornwall/ location: Bottoms county: Cornwall latitude: 50.060800 longitude: -5.654330 service: Mobile DPF Cleaning updated: 2026-09-19 --- # Mobile DPF Cleaning covering Bottoms, Cornwall The car stays where it is — on-site DPF cleaning goes to it. No body shop, no filter going anywhere. A fitter comes to your door across Bottoms, clears the diesel particulate filter where it is, carries out a DPF regeneration, and you end up with the filter you started with. Reckon on the visit taking typically around 2 hours. The clean starts from £299, agreed on the phone before anyone leaves. The light is showing and the vehicle is short of power — that is how we usually come across people, and precisely what this page covers. ## The DPF light is on. What next? Not the filter, automatically. First thing to say. Cleaning is not where a visit begins. A diagnostic is — plenty of faults show up as the same signal. It tells what you do with the car between now and the appointment. - A long even run may even now be enough, provided the light is amber and the motor drives normally. Costs nothing at all, so attempt that before calling. - Once the car is in limp mode, motoring will not shift it. The window has shut. - A diesel smell in there, or black smoke under the throttle, is the moment to stop booking long drives and book it in. ## The vehicle has been telling you already Last news, the light. The symptoms generally grow for weeks before it shows: - less power, particularly climbing uphill - an engine whose revs will not pull as they should - fuel consumption going worse - without a word, the stop/start gives up - smoke under hard acceleration, or a diesel smell in the car Any one of those, taken by itself, is not conclusive. Next to the light alongside them, the filter is a fair bet. ## Why diesel particulate filters block around Bottoms Bottoms is a rural hamlet, and the day-to-day driving that goes with one is the worst kind for a DPF. A regeneration takes long enough and heat, and sees none: not on the school run to St Levan Primary School, not on B3315 at half eight, not on ten minutes to Co-op Food, and not on the hop to Penzance. The unburnt soot banks up rather than burning off. Geography does not assist either. The M5 is over 50 miles from Bottoms and Truro is under 50 miles away, so unless something carries you out that way routinely, entire weeks pass without the long unbroken run that could clear the filter alone. ## The point a DPF regeneration can no longer happen It is self-defence: that is all limp mode means. With output capped and the revs kept low, the regeneration the filter requires cannot complete at all. That tells, because setting off one is precisely what a sustained run does. The standard advice — take it up the motorway — is good, until it is not. The filter needs cleaning rather than driving once the car has slipped into limp mode. ## The vehicle stays in place for mobile DPF cleaning in Bottoms Most owners do not anticipate this bit: the filter stays on. The job happens with the DPF even now bolted to the vehicle — on your driveway, in a work car park, anywhere the car can wait for a couple of hours. Nothing is touched until other faults are cleared. That involves a diagnostic first: running data off the ECU, soot load by percent and by actual weight, and a check of the sensor readings, glow plugs and associated parts. Then the clean. A cleaning solution is fed in through the access port on that vehicle and spreads inside the filter, freeing the soot and ash a regeneration alone will never shift. Where the filter is severely blocked, expect a second pass. Then a regeneration, to drive off what the clean has freed. That is a monitored drive out of Bottoms if you are along, or a static regeneration where the car waits, with the real-time data checked after. Finally the scan runs again — the change proven, the light put out, anything still showing noted. Both read-outs come to you by email, so the numbers are recorded. ## What a DPF clean will not touch A filter blocked with soot and ash is the one thing a clean answers. It will not touch: - the wrong figure from a temperature sensor - the EGR valve jammed open - the AdBlue system going wrong - failed glow plugs or injectors, so no regeneration ever completes - turbo trouble, with oil entering the filter Finding that out is the first scan's whole job. Transpiring to be one of them means hearing it before the work begins, not after paying a penny. Lastly, two things. A vehicle with the filter hollowed out fails its MOT, and driving it is against the law, so that is no remedy. What gets typed in as DPF renewal swaps nothing: your filter is treated in place and goes back into service. ## DPF cleaning costs across Bottoms A clean begins from £299, with the call-out charge on top of that for every visit — it covers the call-out, the booking, the scans and the advice. The price is agreed on the phone, once we have the vehicle and what the filter is going to need. No flat rate could be truthful. Two separate things shift it: what you own, and where you are — Bottoms itself, out at Trebehor, or otherwise out within the TR postcode area. Where the scan says treatment will not help, you are not charged for treatment. Because the visit, the check and the advice have taken place, the call-out charge still holds. A 30-day warranty includes aftercare on the work, and that includes an engineer coming back out to Bottoms if the light reappears inside the period. ## The vehicles we clean and the area we take in round Bottoms Private cars, vans of any size and light commercials, HGVs and lorries, construction and plant machinery, agricultural machinery — a single on-site service across all of them, and on all of them the filter is done in place rather than carried anywhere. Most weeks there is by then someone on B3315, so Bottoms rarely means a journey of its own, and Trebehor, Sparnon and the places past Trethewey come with it. Coverage runs UK-wide, so farther out through Cornwall is still worth a ring, and what decides between today and tomorrow is the schedule rather than the distance. ## A line on Bottoms Bottoms is a small coastal hamlet in Cornwall, situated near the villages of Trethewey and Trebehor. Bottoms lies at an elevation of around 50 metres, overlooking the coastline of the South West region. Bottoms is characterized by its predominantly detached housing stock, reflecting its rural setting. Bottoms is located approximately 30 miles from the city of Truro, the administrative centre of Cornwall. ## Things Bottoms drivers ask about DPF cleaning Does a long run clear it? It might, provided you get it early enough and limp mode has not set in. Ten minutes to Co-op Food and back will not manage it; motorway speed, sustained for a stretch, will. The visit runs how long? That is typically around 2 hours, though a severely loaded filter can require cleaning twice, which takes longer. The cost in Bottoms — what is it? It starts from £299, plus the call-out charge taking in the visit, the scan and the advice. The vehicle and your address both change the price, so we settle it on the phone. Have I need to be there? No. The motor wants somewhere to stand for a couple of hours; you do not need to stand with it. Come along if you prefer, and the regeneration is done as a monitored drive. Coming to Bottoms — how soon? It is often same-day or next-day, depending on what is already in the diary. Call 0303 330 1830 and you will know what is open across the TR area. Is the filter taken off the motor? Not on the mobile service — it is done where it is. Neither getting a filter off nor fitting one back on is work we do. Suppose the light returns? The 30-day warranty takes in aftercare, including an engineer coming back to Bottoms. ## Organise DPF cleaning in Bottoms Ring 0303 330 1830 and set out what the car is doing: the light, limp mode, smoke, whatever it is. You will be given a quote and a time before anyone heads off for Bottoms. If the lines are down, enquiries@dpf-fixer.co.uk comes to us and gets dealt with first thing. 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. ISO 9001 certified, ISO 14001 certified, SSIP Approved and SafeContractor approved, and every engineer holds public liability insurance. The details can come through the form instead, and someone will ring you back