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DPF Problems Fixed Properly in Sheffield

DPF warning light on? Your diesel particulate filter traps soot and burns it off during longer, faster runs, a process called regeneration. Lots of short, slow journeys (most of real life, in other words) means the burn off never happens, the filter clogs and the light comes on. Ignore it long enough and the car goes into limp mode and the fix gets steadily dearer. Caught early, it is often a simple job.

  • RAC Approved Garage
  • 5.0 from 223 Google reviews
  • Manufacturer schedule followed
  • Priced before we touch it
  • We have availability

What is a DPF? A four minute explainer

How a diesel particulate filter works video explainer

Video by BM Catalysts, UK exhaust and DPF manufacturer.

RAC Approved Garage · 5★ rated on Google · The workshop behind every car we sell. Live within 10 minutes of us? Ask about free local drop-off and collection.

The fix, in cost order

  • Forced regeneration, from £96. Using our manufacturer level diagnostic equipment we command the burn off the car could not do itself. If the filter is not too far gone, this is the quick, affordable fix.
  • If regeneration cannot save it, that means further diagnosis and, where needed, replacement. Additional cost, always quoted in writing before you commit, and we never fit a new filter without finding out why the old one blocked.
  • Replacement is the last resort, and where quality matters: cheap DPFs cause repeat trouble. We quote genuine OEM and quality options side by side.

The important bit: why did it block?

A DPF that blocked is not always the villain. It is often the victim. Faulty EGR valves, tired injectors, a failed pressure sensor, the wrong engine oil or simply the wrong car for short journey life all cause repeat blockages. Clean the filter without finding the cause and you will be back in three months. Our diagnosis covers the why, not just the what. That is the difference between fixing it and renting a fix.

What we will not do: DPF removal

You may have seen DPF deletes offered. We do not do them, ever. Removing a DPF from a road car is illegal, it is an automatic MOT failure, and it can invalidate your insurance, which makes a £300 solution a very expensive liability wearing a disguise. Anyone offering it is transferring their problem to you. We will fix the actual fault instead, legally, and it usually costs less than people fear.

Frequently asked questions

Can I keep driving with the DPF light on?

If it has just come on, a 20 to 30 minute run at motorway speeds may let the car regenerate on its own. That is worth one try. If the light stays on, comes back, or the car is in limp mode, book in before it becomes a bigger bill.

Can a blocked DPF be saved?

Often, yes. Caught before the filter is physically damaged, a forced regeneration (from £96) clears it. Past that point it is further diagnosis and, if needed, replacement, and we will give you the honest position in writing before you spend anything. Either way, the reason it blocked gets found, otherwise you are back in three months.

Why does my DPF keep blocking?

Usually one of three things: lots of short journeys, an underlying fault (EGR, injectors, sensors), or the wrong oil. That is exactly what our diagnostic finds.

Will you remove my DPF if I ask?

No. It is illegal for road use, an automatic MOT failure, and an insurance risk. We will fix the real problem instead, and explain every option before you spend anything.

Is a diesel the wrong car for me?

Honestly, if your driving is mostly short town trips, possibly. We would rather tell you that than clean the same filter every six months. Come and talk to us. As a dealership we can even help you swap into something that suits.

Related: Diagnostics: the finding-why engine · AdBlue: the other diesel warning light · Servicing: the right oil matters for DPFs · thinking of swapping the diesel? Browse our petrol and hybrid stock

Book your car in

Call 0114 698 1430, send us a message, or book online. Booking only. You can drop the vehicle off outside opening hours by arrangement. Workshop hours: Monday to Friday, 8:30am to 5pm.

What Sheffield customers say

What Our Customers Say
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Yet again... excellent service and help from Matt and his team 👏 If you want honest and genuine work done go there ...
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Excellent service, I had been having problems with my car radio screen for nearly a year, I took it to them and they found the problem straight away and fixed it for me and claimed it on my warranty and I didn’t have to do anything. Also had a service and 2 tyres.They were so helpful, I was very pleased. It feels like I’ve got a new car!
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I recently used GT Automotive for a repair through a warranty claim. Matt was very helpful and explained the process. Unfortunately there were some delays for the repair to be done through no fault of the garage but through the warranty company. Matt kept me updated and fought my case for the claim, eventually got the repairs approved and got my car fixed as quick as they could. I've had a hard time in the past finding a garage I can trust, but these are very genuine and I will be using them for all my car needs going forward, and already have my next Service and MOT booked in.

Request a booking

Tell us what the car needs and which two days suit you. We come back the same working day to confirm a date.

For example, Peugeot 3008 1.2 PureTech
Give us two days that work for you and we will confirm which one we can do.
Noises, warning lights, when it started, anything already done.

GT Automotive Group, Unit 3, 1 Orgreave Way, Sheffield S13 9LS. Prices include VAT unless stated.