Ford Fiesta Quiz

Diesel Particulate Filter

In this manual: Diesel Particulate Filter
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~1min read

The diesel particulate filter (DPF) is part of the emission control system fitted to your vehicle.

It filters harmful particles (soot) from the exhaust gases.

Regeneration

WARNING

Do not park or leave the vehicle with the engine running on dry leaves, grass or other flammable surfaces. The DPF regeneration process produces very high exhaust gas temperatures; the exhaust system will give off a considerable amount of heat during and after DPF regeneration, and after the engine is switched off. This creates a risk of fire.

CAUTION

Avoid running out of fuel.

Note: The cooling fan may continue to run for some time after the engine is switched off.

Unlike conventional filters, which require regular replacement of the filter element, the DPF regenerates itself, which keeps it working effectively. The regeneration process takes place automatically.

However, under certain driving conditions, it may be necessary to assist the regeneration process.

If you only drive short distances, or if you make frequent stops and starts during journeys with frequent acceleration and deceleration, occasional drives meeting the following conditions will help the regeneration process:

  • Drive the vehicle at a steady speed, preferably on a main road or motorway, for up to 20 minutes.
  • Avoid prolonged engine idling, always observe speed limits and adapt to road conditions.
  • Do not switch off the ignition.
  • If necessary, use a lower gear than usual to keep engine speed higher while driving.

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