Renault Laguna III 2.0 DCI Diesel Lambda Sensor Oxygen Sensor Probe 226A47142R

Renault Laguna III 2.0 DCI Diesel Lambda Sensor Oxygen Sensor Probe is a component from the Lambda sensors and O2 sensors category, responsible for precise measurement of exhaust gas composition in a diesel engine. A properly functioning sensor supports the stable operation of the 2.0 DCI unit, facilitates the maintenance of correct combustion parameters, and helps reduce fuel consumption. This solution is intended for users who want to restore the correct operation of the engine control system in a technically sound and economical way.

Specifications and technical data

• SKU: 226A47142R
• Mark: Renault
• Condition: Used
• OEM Part Number: 226A47142R
• Substitutable numbers: 226A47142R, 226 A47 142 R
• Fuel type: Diesel
• Category: Oxygen Sensors

Function of the lambda sensor in the 2.0 DCI diesel engine

The lambda sensor in the 2.0 DCI diesel engine monitors the oxygen content in the exhaust gases and sends a signal to the engine control unit. Based on this, the control system corrects the fuel dose and the operation of accessories, which helps maintain stable RPM, smooth engine operation, and proper emission parameters. A functional O2 sensor is particularly important in vehicles with an extensive exhaust gas treatment system, where incorrect readings can lead to limp mode, power loss, or increased smoke emissions.

Benefits of using an original Renault sensor

Choosing a lambda sensor dedicated to the Renault Laguna III 2.0 DCI Diesel allows you to maintain compliance with factory engine operating parameters. The appropriate electrical characteristics and the correct measurement range enable the ECU to precisely control the fuel dose, which translates into:

• more predictable throttle response,
• stable idle operation,
• reduced risk of exhaust-related warning lights,
• better cooperation with the diesel engine exhaust treatment system.

Characteristics and application in the exhaust system

The presented item belongs to the Lambda sensors and O2 sensors group, which are components mounted in the exhaust system to continuously monitor exhaust gas composition. In the Renault Laguna III with the 2.0 DCI Diesel unit, this type of sensor works with the engine control electronics, ensuring high-quality feedback signals. This makes it possible to maintain the right balance between performance, engine refinement, and emission levels, which is important both in daily use and during periodic technical inspections.

Product condition and installation aspects

The offered lambda sensor is an aftermarket part, which allows for an economical restoration of the exhaust control system efficiency in the Renault Laguna III. Before installation, it is recommended to perform a standard verification of the electrical wiring, connectors, and the thread in the exhaust system to ensure proper electrical contact and a tight connection. Proper installation and correct tightening of the sensor are crucial for obtaining stable readings and avoiding interference in the engine control unit's operation.

Selection of used electronics and sensors – technical support

When choosing a used lambda sensor, it is worth paying attention to compatibility with the manufacturer's markings and the parameters of the diesel engine used. Detailed tips on selecting sensors and control modules, including working with OEM numbers and hardware/software matching, can be found in our guide: Used automotive electronics – how to safely select second-hand ECU modules and sensors.

If you are planning a comprehensive repair or upgrade of the exhaust and emission control area in your Renault and need other items from the same group, such as additional O2 sensors, pre- and post-catalytic converter probes, or measuring elements that work with the ECU, check out the available parts in the Renault lambda sensors and O2 sensors category.