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How our Service works
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FAQ
DPF Specialist Services
What’s Included in DPF Clean Service:
DPF Health Check – Full live diagnostics before we start, so you know the exact condition of your DPF.
Professional Clean – Industrial-grade DPF cleaning carried out on-site by our specialists.
Post-Checks – Immediate before-and-after readings to confirm performance improvements.
Engineer Feedback – A clear results report plus tailored advice before we leave.
Aftercare & Warranty – Ongoing support and a warranty-backed service for total peace of mind.
Most cleans take between 45–90 minutes, depending on your vehicle and DPF condition.
No — our advanced equipment allows us to clean the DPF on site without removal, saving you time and money.
In most cases, yes. We run full diagnostics before and after the clean to confirm results. If there’s another fault (e.g. sensors or EGR issues), we’ll advise you.
Stop/start short journeys at low speeds are the main cause of blocked diesel particulate filters. If a car spends most of its time being driven around town on short start-stop journeys, the exhaust doesn’t get up to temperature so the soot doesn’t get burnt off and the DPF does not ‘regenerate’ on its own.
Other most common reasons for DPF failures include a clogged EGR Valve causing excess soot, faulty fuel injectors sending too much fuel to the air/fuel mixture, wrong type of engine oil, high mileage car will find regeneration harder, low fuel level – generally less than a quarter of a tank – will prevent regeneration taking place.
DPFs are designed to last in excess of 100,000 miles but if the drivers fail to operate the vehicle correctly, it will fail a lot earlier
Yes — we work on all makes and models of diesel vehicles, including cars, 4x4s, vans, and light commercial vehicles.
Our engineers have cleaned thousands of DPFs on vehicles from leading brands such as Audi, BMW, Mercedes, Jaguar Land Rover, Ford, Vauxhall, Volkswagen, Peugeot, Citroën, Nissan, Kia, Hyundai, Toyota, Renault and many more.
Yes. We don’t just clean your DPF and leave — we provide aftercare and a proper warranty. Our engineers give you a breakdown of results, highlight any advisories, and our aftercare team is available if you need further help. With our warranty, you’re covered if the same issue returns within the warranty period.
When you book our Premium DPF Clean, you’ll receive much more than just a professional DPF clean.
Extended 120-day warranty (11× longer than our Trade Clean)
Free Premium Care Pack worth £159, including:
Klēn Advanced Diesel Cleaner (500ml)
Klēn DPF Cleaner & Regeneration Aid (500ml)
DiagPro Scanner (keep & use at home)
For just £80 more than the Trade Clean, you get £159+ of free extras and a much longer warranty for total peace of mind.
What our customer's say?
Prevention is better than cure
From £29.99
