Lambda Sensor Volvo S60 XC90 V70 XC70 2.4 Diesel Oxygen Sensor Probe 30751034

Lambda Sensor Volvo S60 XC90 V70 XC70 2.4 Diesel Oxygen Sensor Probe is a precision exhaust system component responsible for monitoring the air-fuel mixture in Volvo diesel engines. As part of the Lambda sensors and O2 sensors category, it supports stable engine operation, reduces fuel consumption, and helps maintain proper exhaust emissions. This solution is designed for users who expect a proven component tailored to the specifics of the 2.4 Diesel engine.

Specifications and technical data

• SKU: 30751034
• Mark: Volvo
• Condition: Used
• OEM Part Number: 30751034
• Substitutable numbers: 30751034, 0258017043, 0 258 017 043
• Fuel type: Diesel
• Category: Oxygen Sensors

Function and role of the lambda sensor in the 2.4 Diesel engine

The lambda sensor in a diesel engine is responsible for real-time measurement of oxygen content in the exhaust gases and transmitting a signal to the engine control unit. This allows for the correction of fuel dosage, stabilization of the 2.4 Diesel unit's operation, and maintenance of proper combustion parameters. A properly functioning oxygen sensor contributes to:

• smoother engine operation across the full load range,
• reduction of smoke and excessive particulate matter emissions,
• more efficient operation of the exhaust gas treatment system, including components working with the DPF filter.

Compatibility with Volvo models

The presented oxygen sensor has been designed for popular Volvo models with the 2.4 Diesel engine, such as the S60, XC90, V70, and XC70. Proper geometric and electrical matching to the factory installation facilitates assembly and integration with the original engine control unit. This allows the user to maintain consistency with the factory exhaust system architecture and vehicle electronics.

Technical and operational characteristics

As an element from the Lambda sensors and O2 sensors group, this oxygen sensor operates under demanding thermal and chemical conditions, which is why its design is adapted for long-term operation in the exhaust stream of a diesel engine. Appropriately selected materials for the sensing element and housing allow for:

• stable signal reading across a wide temperature range,
• resistance to contaminants typical of diesel units,
• maintenance of proper response dynamics to changes in the air-fuel mixture composition.

For the user, this means more predictable vehicle behavior, better throttle response, and a reduced risk of combustion-related errors appearing in the control unit's memory.

Product condition and service application

The offered oxygen sensor is a used item, which makes it an attractive cost-effective alternative compared to a new part, while maintaining the functionality required for daily operation. This type of component is particularly suitable for:

• maintenance repairs when the existing lambda sensor generates errors or symptoms of unstable engine operation,
• restoring the efficiency of the exhaust system after modifications or replacement of other components,
• economical overhauls of 2.4 Diesel units in older Volvo vehicles.

Selecting the right oxygen sensor has a direct impact on driving comfort, engine refinement, and the durability of other exhaust system components.

Support in choosing used electronics and sensors

When deciding to install a used oxygen sensor, it is worth knowing the basic principles of selecting and verifying automotive electronics. Practical tips on choosing engine control units, comfort modules, and sensors – including measuring elements operating in difficult conditions – can be found in the article The second life of electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?. This is a good supplement to your knowledge before making a service decision.

Expansion of the exhaust measurement system in Volvo

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Volvo and need other elements from the same group, such as additional oxygen sensors, pre-catalyst sensors, or sensors behind the particulate filter, check the available parts in the Lambda sensors and O2 sensors Volvo category.