Lambda Sensor - Bosch - 0 258 017 224

A Lambda sensor, also known as an oxygen sensor, measures the amount of oxygen in the exhaust gases. This information is used by the engine control unit (ECU) to optimize the air-fuel ratio for efficient combustion and reduced emissions.

A 5-circuit lambda sensor typically includes circuits for heating the sensor, sensing oxygen levels, and sometimes for diagnostic feedback or signal conditioning, allowing for faster and more accurate readings compared to simpler designs.

While this Bosch sensor is recommended for replacement at 250,000 km, it's best to replace it if your vehicle experiences symptoms like poor fuel economy, rough idling, or if a 'Check Engine' light related to oxygen sensor performance appears.

Installation requires specific tools and mechanical knowledge. While possible for experienced DIYers, it is generally recommended to have a qualified mechanic perform the installation to ensure accuracy and avoid damage.

You must cross-reference the part number with your vehicle's specifications or consult a compatibility guide. It is explicitly listed as compatible with certain Porsche OEM references (94860613101, 9A160612302, 9A160612303).

The product information mentions a 60-day return policy. For specific warranty details, please refer to the retailer's terms and conditions.

By ensuring the engine operates at its optimal air-fuel ratio, the Lambda sensor helps the catalytic converter function efficiently, significantly reducing harmful pollutants like carbon monoxide, hydrocarbons, and nitrogen oxides.

Ensure the sensor is correctly installed and the electrical connector is secure and free from corrosion. If the issue persists after installation, the sensor may be faulty or there may be an exhaust leak.

Verify that the correct sensor part number was installed and that it is compatible with your vehicle. Check for any exhaust leaks near the sensor or manifold.

Inspect the electrical connector for any signs of damage, bent pins, or corrosion. Clean and reconnect securely. If damaged, the connector may need replacement.