Walker 250-23048 Oxygen Sensor - Upstream

Overview of Walker 250-23048 Oxygen Sensor

The Walker 250-23048 oxygen sensor is designed for precise emission control in select Audi, Jaguar, Saab, and Volkswagen vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for various Audi, Jaguar, Saab, and Volkswagen models
• Threaded mounting type with 18.0 mm thread diameter
• Wiring harness length of 45.39 inches with 3 wires of 20 gauge
• Radiused polygon connector shape with male and female connectors
• Overall length of 48.94 inches for proper installation reach

Walker Products OE Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality and fitment. The OE line ensures that replacement parts like the 250-23048 oxygen sensor meet or exceed factory specifications, providing reliable performance and compatibility with the intended vehicle applications.

Technical Description and Features

The Walker 250-23048 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control efficiency. It includes a 3-wire configuration with 20 gauge wiring, ensuring stable electrical connections. The sensor’s radiused polygon connectors, available in both male and female genders, facilitate secure and precise connections to the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. With an overall length of 48.94 inches and a wiring harness length of 45.39 inches, this sensor is designed to fit specific models without modification.

Compatible Vehicles and Applications

• Compatible with Audi models including 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, and 200 Quattro
• Fits Jaguar XJ6, XJS, Vanden Plas, and V8 Quattro models
• Suitable for Saab 900, 9000, 5000 Quattro, and Cabriolet models
• Designed for Volkswagen Golf, Jetta, Passat, Quantum, and Fox models

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor degradation

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct 18.0 mm threaded mounting hole and avoid cross-threading during sensor installation. Verify connector compatibility with the radiused polygon male and female connectors to ensure a secure electrical connection. It is recommended to inspect wiring harness length and routing to prevent damage or interference with other components.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 250-23048 oxygen sensor undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.