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Do you see any of these on your dashboard?

What is a diesel particulate filter and why does my car have one?

A DPF captures soot from diesel cars to reduce emissions. It burns off excess soot when full, preventing the black smoke seen in older diesels.

How do I tell if my diesel particulate filter is becoming clogged?

An orange dashboard light indicates a clogged DPF. Check your vehicle’s handbook for the specific icon.

What causes a diesel particulate filter blockage?

Short, low-speed drives are the primary cause of DPF blockages.

What should I do if the DPF warning light comes on?

If the DPF warning light illuminates, it suggests that the diesel particulate filter is full and needs to regenerate.

To effectively maintain and address this, take your vehicle on long, high-speed drives, preferably on motorways, as this facilitates the regeneration process where the filter burns off accumulated soot. Ideally, these drives should last between 30 to 50 minutes to ensure the exhaust reaches the required temperature for efficient soot removal.

If you ignore it.

Continuously slow driving will lead to ‘restricted performance mode’.

What do I do if the regeneration of my diesel particulate filter does not work?

If the DPF warning light continues to stay on, turns red or an additional DPF light comes on then immediately contact your local main dealer for assistance or GowringsVersa Mobility aftercare, who
will advise the closest repairer. Information sourced from an article by the RAC. For the full article, scan the QR code below or visit https://www.rac.co.uk/drive/advice/emissions/diesel-particulate-filters/.

To read more, scan this QR code.

 

 

FAQs on Diesel Particulate Filters (DPFs)

Q: What is a Diesel Particulate Filter (DPF)?
A: A DPF is a device designed to capture and store soot from the exhaust emissions of diesel vehicles, reducing harmful emissions. It periodically burns off the accumulated soot during a process called regeneration, preventing the black smoke typically associated with older diesel cars.

Q: How can I tell if my DPF is getting clogged?
A: Your vehicle will display an orange dashboard light to indicate a clogged DPF. Consult your vehicle’s handbook for the specific icon associated with the DPF warning.

Q: What causes a DPF to become blocked?
A: The primary cause of DPF blockage is frequent short, low-speed drives. Such driving conditions prevent the DPF from reaching the temperatures necessary for the regeneration process to burn off soot.

Q: What should I do if my DPF warning light comes on?
A: If the DPF warning light illuminates, indicating that the filter is full, you should take your vehicle for a longer drive at high speed, such as on a motorway. This allows the exhaust system to heat up sufficiently and facilitates the regeneration process, clearing the filter of soot.

Q: What happens if I ignore the DPF warning light?
A: Ignoring the DPF warning light and continuing to drive at low speeds can lead to your vehicle entering a ‘restricted performance mode’ to prevent damage. This mode limits the vehicle’s performance to prevent further blockage of the DPF.

Q: What actions should I take if regeneration doesn’t clear the DPF?
A: If the DPF warning light stays on, turns red, or another DPF-related warning light illuminates, it’s crucial to seek professional help. Contact your local dealer or the aftercare service at GowringsVersa Mobility, who will advise you on the nearest repairer.

Q: How often should the DPF regenerate?
A: The frequency of DPF regeneration depends on your driving habits. Vehicles often regenerate every 300-500 miles, but this can vary. Frequent short trips may require more frequent regeneration cycles.

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