Product Description:

Auto Oxygen Sensor
OE number: 31319665
Applicable vehicle type: For Volvo



The automotive oxygen sensor, commonly known as the 'Lambda sensor' or 'O2 sensor,' is a crucial feedback element in the engine's electronic control system. It is typically installed on the exhaust pipe of the engine to monitor the oxygen content in the exhaust gases in real-time and send signals to the engine control unit (ECU).
The ECU adjusts the fuel injection volume based on this signal to precisely control the air-fuel ratio near the theoretical value of 14.7:1, ensuring the efficient operation of the three-way catalytic converter. Its performance directly affects the vehicle's fuel economy, power performance, and emission levels.

Oxygen sensor Common faults:

• Carbon buildup/Lead poisoning: Due to burning oil or using leaded gasoline, the sensor head is contaminated, leading to decreased sensitivity.
• Silicone poisoning: Using substandard sealant or RTV adhesive, whose vapors can damage the sensor.
• Heater failure: Internal heating wire breaks, causing the sensor to fail to function when the engine is cold.
• Aging: After long-term use, response speed slows down, and signal distortion occurs.

O2 sensor Symptoms of faults:

• Significant increase in fuel consumption: Due to inaccurate signals, the ECU cannot precisely control fuel injection.
• Engine idling jitter and lack of power: Poor combustion due to overly rich or lean air-fuel mixture.
• Dashboard warning light on: Typically the engine fault light or check engine light, with fault codes often being P0130-P0135 (related to the front oxygen sensor) or P0140-P0141 (related to the rear oxygen sensor).

Multiply Brands Auto Parts We Offer:

Why choice us:

1. Industry Experience: 20 years of experience in the auto parts industry, with in-depth market and product knowledge.

2. Professional Team: A team of experienced experts who can professionally answer all customer inquiries about auto parts.

3. Direct Partnerships: Direct partnerships with multiple auto repair shops, offering first-hand industry feedback and technical support.

4. High-Quality Products: Providing high-quality auto parts to ensure reliability and durability.

5. Comprehensive Inventory: A wide range of product lines and ample inventory to meet diverse customer needs.

6. Quick Response: Offering rapid response services to quickly address customer questions and needs.

7. Customized Services: Providing customized part solutions to meet specific vehicle or customer requirements.

8. Technical Support: Offering professional technical support and installation guidance.

9. After-Sales Service: A strong after-sales service network to ensure customers receive necessary support after product use,If you have any questions after receiving the goods, please contact us in time and we will provide the best solution.

10. Price Advantage:Competitive pricing due to long-standing supply chain relationships.

11. Quality Assurance:All products go through strict quality control processes to meet industry standards.

12. Fast Shipping: Over 500000+ in stock, we can ship them in a short time.

Company Profile:

Beijing Huarui Jietong Trading Co., Ltd. has been engaged in the automotive aftermarket for 20 years and is a professional supplier of auto parts. Located in the capital of China, Beijing, we have factories in Beijing, Guangzhou, and Jiangsu, which enable us to meet our customers' demands for quality and quantity in a timely and efficient manner.



The company primarily focuses on accessories for Land Rover, Jaguar, and Volvo product series, including Air Conditioning Systems, Braking Systems, Driving Systems, Engine Systems, Cooling Systems, Auto Body Systems, Steering Systems, Suspension Systems, Transmission Systems, and other related parts. Facing the trend of economic globalization, our company is committed to bringing better products and services to the world, providing high-quality products and services for domestic and foreign enterprises and customers.

We welcome any inquiries and look forward to your contact.







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