Hyundai Sonata Diesel Particulate Filter DPF 6 (Vi) (2006-2014)

The Diesel Particulate Filter (DPF) on Hyundai Sonata diesel models, especially the 2.0 CRDi (2006-2008), captures soot and particulate matter from the exhaust gases to reduce harmful emissions and comply with environmental regulations.

The DPF cleans itself through a process called regeneration, which can be automatic or manual. Automatic regeneration occurs when the car is driven at high speeds for longer journeys, burning off accumulated soot at high temperatures. Manual regeneration involves driving over 60 km/h for at least 25 minutes or specific driving patterns like second gear at 1,500-2,500 rpm for the same duration.

DPF regeneration can be activated via the dashboard by following these steps:

• Set the handbrake and put the gear lever in 'P' with the engine at operating temperature.
• Turn the AC to maximum, rear defogger on, and switch on headlights.
• Press the OK button on the DPF warning page; the engine RPM will rise to about 2,000 for 30-60 minutes as shown on the display.

For vehicles with a segment cluster, turning the key from LOCK to ACC 5 times in 30 seconds and then starting the engine will trigger a similar regeneration process.

Common symptoms include:

• DPF warning light or engine light appearing on the dashboard.
• Reduced engine power or entering limp mode.
• Visible smoke from the exhaust.
• Repeated failed regeneration attempts.

Such issues often indicate soot buildup or blockage in the DPF which requires attention.

The DPF can be replaced with new original high-quality parts designed for Hyundai Sonata diesel engines. Replacement parts come with manufacturer specifications and warranties. Repair usually means cleaning; improper use or neglect can void warranties.

• Use original or certified quality DPF replacement parts only.
• DPF replacements may need associated catalytic converters replaced too.

Always consult a professional mechanic or authorized dealer for replacement or service to avoid damage and ensure compatibility.

You can prolong your DPF’s life by:

• Avoiding frequent short trips or slow driving that prevent the engine and DPF from reaching operating temperature necessary for regeneration.
• Driving regularly at speeds above 60 km/h for at least 25 minutes to allow natural regeneration.
• Following manufacturer maintenance schedules and using quality fuel.
• Not ignoring dashboard DPF warnings to prevent soot buildup and system damage.

Proper driving and maintenance are key to preventing expensive DPF repairs or replacements.

Common engine diagnostic codes related to DPF issues include:

• P242F — DPF blockage detected.
• P2459 — Differential pressure sensor indicates blockage.

If these codes appear, have a professional check the DPF system promptly to avoid damage or power loss.

For original and high-performance Hyundai Sonata DPF replacement parts, consider suppliers offering certified products manufactured in Europe with advanced technology:

• Parts manufactured in stainless steel with high-grade ceramic monoliths for durability and efficient soot filtration.
• Certified by reputable automotive certification authorities ensuring compliance with emission regulations.
• Covered by a warranty, typically 3 years or up to 100,000 km usage.

Look for suppliers with fast delivery, technical support, and guaranteed original quality parts to maintain your vehicle’s performance and compliance.