Fiat 500L Diesel Particulate Filter DPF (2012-2022)

The Diesel Particulate Filter (DPF) is a vital component in the exhaust line of diesel Fiat 500L models, primarily those with 1.3 Multijet 16V engines producing 84-95 HP from 2012 onwards. It captures and removes fine particles (soot) from combustion gases, significantly reducing harmful emissions. Positioned after the catalytic converter, the DPF works in two key phases: filtration—where soot builds up on its walls improving efficiency initially—and regeneration, which burns off the accumulated soot.

DPF regeneration happens to clear out the soot particles trapped inside the filter. There are three types:

• Passive/Spontaneous Regeneration: Naturally occurs when the exhaust gas temperature is high enough during long motorway drives.
• Active/Controlled Regeneration: Engine control unit triggers additional fuel injection to raise exhaust temperature and burn soot even at low revs.
• Forced Regeneration: Performed in a garage with diagnostic tools, including oil change and ECU reset.

In urban short-trip usage of the Fiat 500L diesel, the DPF is prone to clogging without proper regeneration trips.

A clogged DPF can cause numerous issues on your Fiat 500L, including :

• Illumination of the DPF warning light (symbol with a rectangle with dots and a vertical bar) or the engine warning light.
• Loss of engine power, especially noticeable uphill.
• Activation of limp mode or reduced power mode (with forced idle and starting difficulties).
• Increased fuel consumption.
• Failure in vehicle technical inspection.

These problems typically occur in models with 1.3 Multijet engines after 50,000 to 100,000 km, especially under frequent short urban trips.

Various maintenance approaches exist to ensure optimal DPF performance and longevity :

• Preventive Cleaning (every 50,000 km): Injection of cleaning fluid without dismantling (4L), error code clearing, from approx. £215 to £335 in premium options including hydrogen decarbonisation and injector cleaning.
• Bardahl 360 5-in-1 Method: One-hour process involving connected machine, cleaner injection, programmed flushing, fuel additive, and a 20-minute road test at high RPM to remove soot and restore engine performance.
• Professional Forced Regeneration: Diagnostic session, oil and filter change, and ECU reset conducted by specialists.
• Recommended Driving Habits: Regular long-distance drives, use of fuel additives, and avoiding frequent short urban trips that hinder natural regeneration.

Careful upkeep avoids costly repairs and ensures your DPF functions efficiently over time.

DPF replacement is considered when cleaning is ineffective or damage occurs. For Fiat 500L models (351/352) with 1.3 Multijet 16V engines (84 HP and up from 2012):

• Use 100% new DPF parts certified to European E24-103R standards ensuring compliance with exhaust regulations.
• Replacement costs are higher than cleaning but ensure full restoration of filtering efficiency and emissions control.
• Replacing a faulty DPF also prevents elevated pollutant emissions and complies with vehicle inspections.

Always source original or approved DPF replacements for guaranteed fit and function.

Regular diagnostics with compatible tools are essential for early detection of DPF issues. Key points include :

• Check for DPF warning codes and clear them after maintenance.
• Monitor engine performance and fuel consumption for signs of DPF clogging.
• Follow manufacturer’s recommended service intervals and use certified products.
• Preferably get servicing from Fiat specialists or knowledgeable garages equipped with proper diagnostic and regeneration equipment.

Proper care extends DPF life, ensures compliance with emissions standards, and maintains engine health.

Krosfou supplies new, high-performance DPFs for Fiat 500L with the following advantages :

• 3 years warranty or up to 100,000 km use, starting from product receipt date.
• Manufactured with premium stainless steel (INOX 409) and advanced monolith ceramic technology.
• Certified by TÜV SÜD Automotive GmbH, meeting or exceeding original equipment standards and European regulations.
• Quality control and production based in Europe (Poland), ensuring genuine European manufacturing and strict quality assurance.

Choosing Krosfou DPFs guarantees fitting with durable, environmentally compliant parts trusted by professionals across Europe.

For quality parts and expert help with your Fiat 500L DPF :

• Order direct-from-factory, European-made new DPFs approved for your model, ensuring compatibility and regulatory compliance.
• Access professional support including technical assistance, installation manuals, and diagnostic advice from trained specialists.
• Benefit from guaranteed delivery times and service options like forced regeneration and cleaning advice.
• Maintain your vehicle with recommended additives and driving practices to maximise DPF lifespan.

Consult your trusted garage or Fiat specialist equipped with diagnostic tools to accurately identify DPF condition and required action.

Proper care and early intervention save money and ensure your Fiat 500L diesel runs clean and efficiently.