Walker 250-22055 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-22055

The Walker Products OE Oxygen Sensor 250-22055 is designed specifically for select Geo and Toyota vehicles, including the Corolla and Prizm models. This non-heated oxygen sensor provides precise emission control by monitoring exhaust gases to optimize engine performance and reduce emissions.

• Wiring harness length: 14.29 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Geo Corolla and Toyota Prizm
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 17.83 inches
• Mounting type: Flange mount

Detailed Product Description

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-22055 oxygen sensor is engineered to provide accurate air-fuel mixture readings for improved engine efficiency and emissions control. Featuring a flange mount design and an 18.0 mm thread diameter, this sensor ensures a secure and proper fit in the exhaust system of Geo Corolla and Toyota Prizm vehicles. The 14.29-inch wiring harness with 20 gauge wires and a radiused polygon male connector facilitates straightforward installation and reliable electrical connection.

Compatible Vehicles and Applications

This oxygen sensor is specifically compatible with the following makes and models:

• Geo Corolla
• Toyota Prizm

It is designed to replace the original sensor in these vehicles, ensuring proper emission control system operation and compliance with environmental standards.

Common Issues Addressed by Oxygen Sensor 250-22055

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased vehicle emissions and failed emissions tests
• Engine performance issues such as rough idling or hesitation
• Potential damage to catalytic converter due to improper sensor function

Installation Notes and Tips

• Ensure the vehicle is cool before beginning installation to avoid burns
• Use appropriate tools to remove the old sensor and install the flange mount sensor securely
• Verify the connector shape and gender match the vehicle’s wiring harness for proper connection
• Check thread diameter compatibility (18.0 mm) to prevent cross-threading
• Follow vehicle manufacturer torque specifications when tightening the sensor

Quality Assurance and Warranty

Walker Products OE parts are manufactured to meet original equipment standards, providing reliable performance and durability. The 250-22055 oxygen sensor undergoes rigorous quality control to ensure consistent operation. Warranty coverage details should be confirmed with the product documentation or supplier.