Toyota Aygo Catalytic Converter

The Toyota Aygo catalytic converter is an essential exhaust component that reduces harmful emissions from the engine. It uses precious metals like platinum, palladium, and rhodium to chemically convert toxic gases such as carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx) into less harmful substances like carbon dioxide (CO2), water (H2O), and nitrogen (N2). This process helps the vehicle meet environmental regulations and lowers air pollution, especially for petrol engines of 1.0 or 1.2 VTi displacement (Euro 5/6).

Common issues with the Toyota Aygo catalytic converter include:

• Carbon deposits buildup causing clogging and reduced efficiency.
• Theft due to the valuable metals inside the converter.
• Malfunctions caused by faulty lambda sensors (oxygen sensors).

Symptoms of failure can include loss of engine power, check engine light illumination, and unusual odors from the exhaust.

Replacement catalytic converters are generally compatible with Toyota Aygo models featuring 1.0 or 1.2 VTi engines, especially those compliant with Euro 5 or Euro 6 standards. These converters are often interchangeable with Peugeot 108/208 and Citroën C1 models. For example, the reference part number 9672883980 fits many Euro 5/6 vehicles in these models.

Replacing the catalytic converter on a Toyota Aygo requires basic tools and adherence to safety rules:

• Tools needed include a 13mm ratchet, 22mm socket for the lambda sensor, torque wrench, and screwdrivers.
• Ensure safety by disconnecting the battery and lifting the vehicle securely on jack stands.
• Remove the front bumper and heat shields to access the converter.
• Carefully disconnect the lambda sensor and exhaust flanges.
• Install the new converter with proper gaskets and torque bolts to manufacturer specifications (e.g., 25 Nm for collector, 45 Nm for flange bolts).
• Apply high-temperature ceramic grease to the lambda sensor threads for easier future removal.

Estimated time for replacement is 2 to 4 hours for someone with mechanical skills. Always follow safety protocols when working under the vehicle.

Recommended tools and parts include:

• 13 mm ratchet and sockets, 22 mm socket for the lambda sensor.
• Torque wrench to ensure proper tightness.
• New gaskets and sealing rings (available in specialized kits).
• Reusable heat shields or protective thermal covers.
• High-temperature ceramic grease for lambda sensor threads.

Using original or high-quality equivalent parts that comply with Euro 5/6 standards is important for optimal functionality and to pass vehicle checks.

Detailed video tutorials in English and French are available on YouTube, demonstrating step-by-step procedures for Toyota Aygo catalytic converter replacement. These include instructions on disassembly, torque specifications, and safety tips. Illustrated tutorials and replacement guides can also be found on specialized automotive websites providing free PDFs and manuals tailored for exhaust system components on Aygo and related models.

Krosfou guarantees new stainless steel catalytic converters with a 3-year warranty limited to 100,000 kilometers, covering defects in manufacturing under proper use and installation by a professional garage. Support includes technical assistance via email and documentation. Products conform to European regulations and are TÜV SÜD certified for quality and durability. Free returns within 30 days apply for unused, original-condition parts in their packaging, subject to terms.

• Warranty conditions: professional fitting, replacement of lambda sensor with the converter, proper use of unleaded petrol only.
• Installation instructions and torque settings must be followed precisely.
• Warranty excludes damage from negligence, improper use, or clogged DPFs.

To guarantee compatibility and correct fitment of a catalytic converter on your Toyota Aygo, provide the vehicle identification number (VIN) or original part reference when ordering. Confirm Euro emission standards and engine displacement. Always use parts certified for your model version (Euro 5 or Euro 6). Replacement converters must work with your existing lambda sensors and exhaust connections, observing safety and environmental regulations.

• Verify references and part numbers for cross-compatibility with Peugeot and Citroën models if relevant.
• Check local regulatory compliance, especially for emissions testing.
• If replacing catalytic converters multiple times, scan the vehicle’s OBD system to monitor sensor status.

For any doubt, contact technical support before purchase to avoid incorrect orders or installation problems.