Exhaust Citroen Berlingo

The Citroën Berlingo, especially diesel HDi versions like HDi 90/92, often face exhaust system problems due to exposure to shocks, acidic moisture, and vapours leading to corrosion and excessive noise. Common symptoms include black smoke emissions, abnormal noises caused by worn silentblocs, and exhaust pressure issues indicated by warning lights and power loss.

Black smoke indicates a too rich air/fuel mixture, causing power loss and increased fuel consumption. Main causes include:

• A clogged air filter (should be replaced every 15,000–20,000 km)
• Faulty injectors delivering excess fuel
• Worn turbo or damaged hoses reducing air supply
• Defective air mass flow sensor (MAF)
• Blocked EGR valve disturbing combustion
• Poor quality fuel

This issue affects mainly diesel engines but can also occur on petrol versions.

Noise usually results from worn or damaged exhaust silentblocs (rubber mounts) that absorb vibrations. On Berlingo HDi 90/92, these parts degrade over time due to shocks and corrosion under the vehicle. To resolve noise issues:

• Inspect and replace cut or damaged silentblocs (cost-effective at around £10 each)
• Check for rust or corrosion on the exhaust pipe and replace affected components

Professional diagnosis is recommended for proper evaluation.

An exhaust pressure warning light accompanied by power loss can indicate issues such as a blocked DPF, faulty sensors or pump problems. For example, older diesel Berlingo models (e.g., from 2002) sometimes experience this after many kilometers. Recommended steps include:

• Use a diagnostic tool (OBD) to read error codes like P2263
• Check and clean or replace sensors and the DPF as needed
• Consider professional repair especially for the high pressure injection pump

Ignoring these warnings can lead to costly repairs and failed technical inspections.

Good maintenance reduces risk of exhaust failures. Key preventive actions include:

• Regularly replace the air filter every 15-20k km
• Perform diagnostic checks on injectors, turbo, hoses, MAF sensor, and lambda sensors
• Use diesel cleaning additives to keep injectors and fuel system clean
• Inspect silentblocs and exhaust mounts for wear or cuts
• Avoid extended driving with visible smoke to limit engine wear and pollution

Scheduled maintenance and quick attention to exhaust warning signs can save expensive repairs.

Several parts play crucial roles in managing exhaust emissions and engine efficiency:

• Air filter: Ensures clean air supply; clogging leads to rich fuel mix and black smoke
• Injectors: Spray fuel; faults cause excess fuel and smoke
• Turbo: Compresses air; leaks cause poor combustion
• Mass Air Flow (MAF) sensor: Measures air quantity for fuel injection calculation
• EGR valve: Recirculates exhaust gases to reduce pollution; blockage disrupts combustion
• Silentblocs: Reduce exhaust vibrations and noise

Regular inspection and servicing of these components help keep exhaust levels and engine performance optimal.

Failure to address exhaust system issues can cause:

• Severe engine damage such as turbo or injector failure
• Increased fuel consumption and pollution due to incomplete combustion
• Noise pollution from broken mounts or leaking pipes
• Possible failure in roadworthy inspections and emissions tests

Timely diagnosis and repair prevents expensive consequences and keeps your Berlingo running efficiently.

Krosfou provides high-quality new exhaust components, including diesel particulate filters (DPFs) and catalytic converters, manufactured in stainless steel and certified to meet stringent European standards. Benefits include:

• 3 years warranty covering up to 100,000 km of use
• Direct factory supply ensuring premium quality and durability
• Technical assistance and installation guides for professionals
• Advanced manufacturing technology with TÜV SÜD certification

For detailed support, product catalogues, and ordering, professionals can access services and discounts through Krosfou’s PRO account system.

Choose genuine quality parts to protect your Berlingo’s engine performance and reduce environmental impact effectively.