Honda CR-V Diesel Particulate Filter DPF

The Diesel Particulate Filter (DPF) on Honda CR-V diesel models is a critical component of the exhaust system that captures fine soot particles from exhaust gases to reduce harmful emissions. It is especially used on models with engines like the 2.2 i-CTDi, 2.2 CDTi (N22A2), or 2.2 i-DTEC (RE5) producing around 150 hp (110 kW). The DPF helps the vehicle comply with Euro 4 and Euro 5 diesel emission standards.

The main Honda CR-V diesel models fitted with DPFs include:

• CR-V 2.2 i-CTDI 4WD: Produced between January 2007 and April 2010, fitted with a standard DPF for Euro 4/5 compliance.
• CR-V 2.2 CDTi (motor code N22A2): Models from 2005 to 2006 with an integrated particulate filter in the exhaust system.
• CR-V III 2.2 i-DTEC (chassis code RE5): Third generation with 150 hp / 110 kW, designed for modern diesel filter technology.

These models feature DPFs integrated into the exhaust system to filter soot with regeneration occurring automatically or through a forced process.

Replacing the DPF typically involves accessing the filter from underneath the vehicle, disconnecting sensors such as pressure and temperature sensors, removing the clogged filter, installing the new one, and resetting the vehicle’s onboard diagnostics (OBD) to clear warning lights.

• Step-by-step illustrated manuals and video tutorials are available for DIY replacement.
• Proper tools and precautions, including draining relevant fluids, are necessary for safe replacement.
• Resetting the DPF system and sensors via OBD is essential after replacement.

For expert advice or service, visiting a garage or authorized workshop is recommended.

Typical signs of DPF issues include:

• Illuminated warning lights on the dashboard indicating DPF or emissions system faults.
• Loss of engine power or entering limp mode.
• Frequent clogging especially due to short city drives limiting proper regeneration.

Suggested remedies include driving longer distances on the highway to enable passive regeneration, use of DPF cleaning additives, and conducting OBD diagnostics for sensor or system errors.

DPF cleaning or regeneration is often possible if the filter is not too blocked. Cleaning can be performed via:

• Automatic or forced regeneration using high exhaust temperatures or additives.
• Professional cleaning services or cleaning kits designed for DPF maintenance.

However, if the DPF is severely blocked or damaged, replacement may be the only option to restore proper function. Sensor checks (pressure sensors, temperature sensors) should be done to ensure system integrity.

Important factors to verify include:

• The exact engine code (e.g., 2.2 i-CTDI, N22A2, RE5) and chassis code to ensure DPF compatibility.
• Compliance with emission standards applicable to your vehicle (Euro 4, Euro 5).
• OEM or equivalent part references for sensor and fitting compatibility.

Always confirm the DPF reference for your Honda CR-V diesel model via reliable catalogs or VIN checks before purchase.

Indicative prices for new high-quality DPFs (excluding installation) are approximately:

• 2.2 i-CTDI 4WD (2007-2010): Around €399
• 2.2 CDTi N22A2 (2005-2006): Around €419
• 2.2 i-DTEC RE5 (CR-V III): Price on request depending on exact spec

Prices vary by supplier and quality. Installation costs and diagnostics from a garage should also be considered.

Useful resources include:

• Detailed manuals and video tutorials for DPF replacement and cleaning.
• Technical forums and Honda owners clubs for community discussions and troubleshooting.
• Professional advice from certified garages for diagnostics and proper DPF service.

For direct product support and installation assistance, consult the manufacturer’s technical support channels which typically offer email or phone help from experts.