Fiat Ducato Diesel Particulate Filter DPF

The DPF in the Fiat Ducato is an anti-pollution device fitted on diesel engines, located downstream of the catalytic converter and before the silencer. It traps up to 99 % of soot particles from combustion, converting them into carbon dioxide through a process called regeneration. It is mandatory for Euro 4, 5 and 6 emission standards and exists in specific versions for Ducato models I, II, and III.

The DPF operates by filtering exhaust gases through microscopic channels in a ceramic body that traps solid particles.

• Filtration : Particles form a layer inside the filter improving efficiency but increasing back pressure.
• Passive regeneration : happens naturally at high engine temperatures, burning soot every 500-700 km during normal driving.
• Active regeneration : triggered by sensors and the engine control unit, involves valve adjustments, fuel post-injection, and turbo control to reach temperatures over 600°C to burn soot into CO2, H2O, and ash.
• AdBlue use : on SCR-equipped models, AdBlue reduces NOx emissions and helps easier DPF regeneration with less frequent active cycles.

The complete cycle is filtration → accumulation → pressure detection → regeneration.

Signs that your Fiat Ducato's DPF may be failing include :

• Increased fuel consumption and loss of engine power.
• Illumination of the Check Engine warning light.
• Black smoke from exhaust and engine soiling.
• Frequent need for forced regeneration.
• Recurring problems if pressure sensors are not replaced, causing blockages.

If you notice these symptoms, it is recommended to have diagnostics and possible forced regeneration performed at a garage.

New DPF prices vary widely (roughly £20 to £1,000+ depending on type and source). Replacement costs also depend on model and whether diagnostics and manual regeneration are included.

• Free delivery is often available for orders above a threshold.
• Returns and warranties can cover up to 3 years with mileage limits.
• Compatible parts for Ducato III 2.3 D Light SCR exist with specific references.

It is important to avoid using reconditioned parts and purchase certified, new DPFs that comply with regulations and manufacturer standards.

To maintain your Ducato DPF efficiently :

• Drive regularly at high engine speeds to promote passive regeneration.
• Avoid switching off the engine during active regeneration cycles when the injection light is on.
• Have forced regeneration done in garages if the pressure drop is too high.
• Replace pressure sensors promptly if problems recur.
• Use additives recommended to lower soot combustion temperature, extending DPF life.

Following these tips ensures better DPF efficiency and longer service intervals, reducing emissions and protecting the environment.

If your vehicle shows sensor fault codes or regeneration failure :

• Check and, if necessary, replace the differential pressure sensors, as faulty sensors often cause recurring DPF issues.
• Ensure sensors are correctly installed and connected to the ECU.
• Have the system tested using diagnostic tools to clear faults after repairs.

Correct sensor operation is critical for proper DPF regeneration and avoiding blockages.

For accurate diagnostics, installation guidance, and technical support :

• Consult official Fiat dealerships equipped with OBD diagnostic tools for regeneration and fault code reading.
• Refer to certified technical documentation specific to your vehicle model and engine type.
• Contact manufacturers or suppliers offering genuine new DPFs with warranty, installation manuals, and expert advice.

Maintaining sensors and following manufacturer maintenance schedules ensures DPF longevity and compliance with emission regulations.

Krosfou offers high-quality new DPFs made in Europe, certified by TÜV SÜD, with a 3-year warranty covering use up to 100,000 km.

• All products are manufactured from stainless steel INOX 409 and advanced ceramic monoliths with unique coating technology for durability and performance.
• No reconditioned parts are sold, only brand-new parts meeting or exceeding original equipment standards.
• Technical support and installation guides are provided, with direct factory assistance.
• Various logistics options are available including free shipping above a certain order value and fast delivery in Europe.

Choosing Krosfou products ensures compliance with European emission rules and optimum functioning of your Fiat Ducato's exhaust system.