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The Diesel Particulate Filter (DPF) is an essential part of your vehicle’s exhaust system, designed to trap and reduce harmful soot emissions.
For a short video explaining how your DPF works - click here
To ensure optimal performance and avoid costly repairs, follow these maintenance tips:
1. Drive in a Way That Supports Regeneration
The DPF naturally cleans itself through a process called regeneration, where trapped soot is burned off at high temperatures. To aid this process:
Take longer motorway drives (15–30 minutes at 40-50 mph) to allow regeneration.
Avoid excessive short trips, which prevent the engine from reaching the necessary temperature.
Keep engine revs above 2,000 RPM when safe to do so.
2. Use High-Quality Fuel and Keep Fuel Level High
Always fill up with high-quality diesel from reputable fuel stations.
Avoid running the fuel tank too low, as it may prevent regeneration from occurring.
Only use DPF-cleaning fuel additives following professional advice.
3. Regular Vehicle Maintenance
Ensure the vehicle is properly serviced according to the manufacturer’s specifications.
Check your engine oil levels regularly and use the correct oil grade.
Ensure your EGR (Exhaust Gas Recirculation) valve and turbo system are functioning properly.
4. What to Do if the DPF Warning Light Appears
Take your vehicle for a long, steady drive on a dual carriageway or motorway to encourage regeneration.
If the warning light persists, contact us immediately to have the vehicle booked in for an assessment.
Ignoring the warning light can lead to expensive repairs or put your vehicle into limp mode.
5. Consider Professional DPF Cleaning
We offer professional diagnostics, repairs and specialist DPF chemical cleaning services which can restore DPF efficiency and prevent further damage.
For further assistance, please contact PW Auto Repairs on 01636 550852
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