Compare diesel particulate filter clean quotes from specialist garages in St Helens

Diesel particulate filters are crucial because they capture and store exhaust soot to help reduce your car's emissions. Since 2009, all diesel cars have been required to have a DPF.

Passive regeneration is the primary way of keeping a DPF filter clean. It happens when the exhaust reaches a high temperature, typically while on a motorway. However, many cars don't reach this stage often enough, making the DPF clogged.

Find out how to avoid DPF problems in this guide.

When do I need a professional DPF clean? This is a common question. When the filter gets clogged up with soot, a warning light will usually appear on your dashboard, indicating you need to arrange a DPF filter cleaning or replacement. Other signs include black soot coming from your exhaust and decreased fuel efficiency.

To solve this problem, you could look for a garage that will carry out a DPF clean near you or book a mobile DPF cleaning service. Find out how much it's likely to cost in this guide.