What makes this easier on you and your vehicle
Diagnosis before parts
We check the data first. That helps you avoid replacing a filter when the real fault sits elsewhere.
Help for cars and vans
We handle diesel car and van faults. That includes high-mileage vehicles that clog up faster in demanding use.
Underlying causes matter
A cleaned filter will block again if the root issue stays put. We look at related faults such as EGR problems before signing the job off.
What a DPF warning light usually means
A DPF warning light is your diesel vehicle's way of telling you the filter is struggling to clear trapped soot. If that warning is joined by limp mode, poor fuel economy, extra smoke or a flat feeling under acceleration, we at Throttle Range Ltd can inspect what is really going on before bigger faults set in. We start by looking at fault codes and live data, because a blocked filter is not always the whole story. Trouble with the EGR system, failed sensors or interrupted regeneration can all create the same miserable drive. That matters if you use your car for short trips, or if your van spends its life racking up miles and idling between jobs. We treat DPF diagnostics and repair as proper fault finding, not guesswork, so you know what needs doing and what does not.
Repair routes that make sense for your vehicle
Some faults can respond to a forced regeneration, while others need deeper cleaning or full replacement because the filter itself is damaged or packed with ash. Our checks at Throttle Range Ltd help separate a true restriction from related faults, using regeneration history, soot readings and supporting engine data to guide the next step. Our garage is equipped to handle DPF work where time, tooling and testing matter, allowing us to investigate faults and complete repairs properly. We work on diesel cars and diesel vans, including hard-worked vehicles that spend long days in stop start traffic. Once repairs are complete, we clear stored codes and confirm the system is behaving normally, including checking that regeneration can happen as it should.
Frequently asked questions
Can I keep driving with a DPF warning light on?
You may still be able to drive for a short time, but leaving it too long can make the blockage worse and push the vehicle into limp mode. It's best to get the fault checked early, especially if power has dropped or smoke has increased.
Will a forced regeneration always fix a blocked DPF?
No, not always. A forced regeneration may help when soot load is the main issue, but it won't repair a damaged filter or remove excessive ash, and it won't solve related faults causing the blockage.
Do you work on diesel vans as well as cars?
Yes, we support diesel cars and diesel vans. That's especially useful for vehicles doing frequent short runs, stop start driving or higher mileage work where DPF problems are more common.