Toyota Auris Diesel Particulate Filter DPF

The Diesel Particulate Filter (DPF) in a Toyota Auris diesel engine is a ceramic device located on the exhaust line after the catalytic converter. Its main function is to trap harmful particles such as soot, hydrocarbons, and sulfates generated during diesel combustion, thereby reducing vehicle emissions.

The DPF filters particulate emissions from diesel engines by capturing soot and ash residues. It requires periodic regeneration either passively, at high exhaust temperatures during normal driving (typically 550-600°C), or actively through fuel injection to raise the temperature. Common issues include clogging, especially in city driving or low load conditions, leading to warning lights and reduced engine power.

Many Toyota Auris diesel variants include a DPF. Examples include:

• 1.4 D-4D (2012–2015, engine code 1NDTV, Euro 5 standard)
• 1.6 D-4D (various years, Euro 6 standard, available with or without catalytic converter kits)
• 2.0 D-4D (various years)
• 2.2 Diesel (2007–2009, engine code 2AD-FHV, Euro 4 standard)

This also extends to related models like Yaris, Corolla, RAV4, and others.

Typical replacement costs for a new Toyota Auris DPF range from around £534 for the part alone, with total installation costs (parts plus labour) estimated between £605 and £787. The operation takes roughly 53 minutes and is generally considered easy for professional technicians. High-quality new DPFs with E-mark certification (no MOT re-inspection required) and 24-month warranties are available.

The DPF regenerates either passively during normal highway driving when exhaust gases reach sufficient temperature, or actively via ECU-controlled fuel injections for heating. Frequency depends on driving style and conditions; frequent short trips or city traffic may cause incomplete regeneration, leading to clogging.

DPFs are designed for durability but inevitably accumulate ash over time, which cannot be fully burned off. Typical lifespan varies but can be expected around 100,000 miles with proper care and regular regeneration. Usage of recommended additives and periodic long drives on motorways to facilitate regeneration help extend DPF life expectancy.

To avoid DPF issues:

• Drive regularly on highways at sustained speeds to reach regeneration temperatures.
• Use diesel fuel additives designed to support DPF function when recommended.
• Have regular vehicle ECU diagnostics to check DPF and regeneration system status.
• Address warning lights promptly to avoid damage.

Following these tips helps prevent costly cleaning or replacement.

High-quality, original-designed DPFs with TÜV SÜD certification and 3-year warranty are available direct from manufacturers offering stainless steel INOX 409 constructions and advanced monolith technology. These parts meet or exceed manufacturer specifications and European regulations, without requiring MOT re-inspection. Fast delivery options in the UK and Europe are standard, including express services.

Ordering directly from reputable suppliers ensures genuine parts, expert support, technical manuals, and competitive pricing.