Skoda Yeti Diesel Particulate Filter DPF (2009–2017)

The Diesel Particulate Filter (DPF) on Skoda Yeti diesel models (especially 2.0 TDI engine types like CBDB, CFHC, CFHA) captures fine soot particles from the exhaust gases to comply with Euro 4 and Euro 5 emissions standards. It helps reduce pollution by filtering harmful particulates before they are released into the atmosphere.

Typical signs of a defective or clogged DPF include:

• Illuminated engine warning light, DPF warning, and engine management light, often with error code P2463 indicating filter restriction.
• Loss of engine power and limited acceleration.
• Strong exhaust odor.
• Increased fuel consumption due to repeated forced regeneration attempts.
• Failed regeneration despite highway driving, especially on models from 2011 onward.

If you notice any of these symptoms, it is important to address the issue as soon as possible to prevent further engine damage or costly repairs.

DPF regeneration is the process of burning off accumulated soot at high temperature to clean the filter. It can happen automatically or be forced manually. Key points include:

• Passive regeneration occurs during driving at speeds of 60-80 km/h for 25-30 minutes, burning soot off naturally.
• The engine injects additional fuel to increase exhaust temperature during active regeneration.
• The DPF has a maximum ash limit of about 60 grams before requiring cleaning or replacement.
• On Yeti diesel models from 2011 and later, regeneration failures are common with advanced clogging and may require an electronic reset.

Tools like VCDS can be used to force or reset regeneration cycles and diagnose filter condition.

Several maintenance and cleaning methods can help keep the DPF in good condition, including:

• DPF reset via diagnostic tools: Using OBD or VCDS to tell the vehicle a new DPF is installed and to reset the system, followed by a motorway run to complete regeneration.
• Chemical high-pressure cleaning (DIY or workshop): Injecting a cleaning product in pulses into the filter system while running the engine at higher revs, followed by rinsing and additive treatment to improve future regeneration.
• Use of fuel additives: Diesel DPF cleaners in liquid or aerosol form can help reduce soot build-up and improve regeneration efficiency. Recommended brands include MOTUL and MA PROFESSIONAL.

Always perform before/after diagnostics to measure saturation and reset the system electronically for best results.

DPF replacement is generally recommended at these intervals:

• First replacement around 150,000 km.
• Subsequent replacements approximately every 30,000 km.
• Overall lifespan varies between 130,000 and 200,000 km depending on driving conditions and maintenance.

DPFs are made from materials like cordierite or silicon carbide, with an average weight around 10.7 kg and designed for specific engine and Euro emission standards.

Ensure replacement parts comply with manufacturer specifications and come with warranty coverage. Professional installation and proper reset of the vehicle system are required after replacement.

The main Yeti diesel models featuring a DPF include:

• 2.0 TDI 140 CV 4x4 (engine code CBDB), produced from 2009 onwards with Euro 5 compliance.
• 2.0 TDI 110 CV (engine code CFHA), with Euro 4 standards.
• 2.0 TDI Green Tec 110 CV (possibly CFHC engine), notable for excess fuel consumption related to the DPF system.

DPF systems appeared on Yeti diesel models mainly between 2009 and 2015, with variation depending on engine type and emissions regulation compliance.

While some owners consider electronic or mechanical removal of the DPF to avoid regeneration issues or improve fuel economy, this practice is:

• Illegal under emission control regulations and anti-pollution laws.
• Leads to increased harmful emissions and environmental damage.
• May void vehicle warranty and cause failures during vehicle inspections.

It is strongly advised to maintain the DPF system and use legitimate cleaning or replacement methods to ensure vehicle compliance and protect the environment.

To keep your DPF in good condition and prevent clogging, consider these tips:

• Regularly drive your vehicle on long motorway trips (60-80 km/h for 25-30 minutes) to allow natural regeneration.
• Use quality diesel fuel and approved DPF cleaning additives to enhance soot burn-off and regeneration.
• Perform timely diagnostics with tools such as VCDS for DPF saturation monitoring and reset.
• Avoid frequent short trips where the engine does not reach its optimal operating temperature.
• Follow the manufacturer’s maintenance schedule for oil and filter changes.

Proper preventive care reduces the risk of filter clogging, improves engine performance, and extends the lifespan of your DPF system.