Bosch 15309 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Pontiac, Toyota Matrix, Tacoma, and Vibe

The Bosch Engineered Oxygen Sensor 15309 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Specifically engineered for select Pontiac and Toyota models, this oxygen sensor ensures precise monitoring and efficient operation.

• Compatible with Pontiac Matrix, Toyota Tacoma, and Toyota Vibe
• Standard replacement narrow-band heated oxygen sensor
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 16-inch wiring harness with 4 male blade terminals and rectangular male connector
• Durable metal housing finished in steel for long-lasting use
• Overall length of 19.7 inches with 18.5 inches from sealing surface to connector end

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise and reliable emission control components tailored to specific vehicle applications. This product line emphasizes compatibility and quality, providing sensors that meet OEM specifications for accurate air-fuel ratio detection. The 15309 oxygen sensor is part of this line, offering a narrow-band heated sensor designed for specific fitment in Pontiac and Toyota vehicles.

Product Details and Specifications

This oxygen sensor features a narrow-band heated sensor type, which helps maintain optimal engine combustion by accurately measuring oxygen levels in the exhaust gases. The sensor includes a 16-inch wiring harness with four wires and blade terminals, ensuring secure electrical connections. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. The sensor's metal housing and steel finish provide durability under high-temperature conditions. The connector is a rectangular male type with four terminals, matching the specific wiring requirements of the compatible vehicles.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for Pontiac Matrix, Toyota Tacoma, and Toyota Vibe
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring accurate sensor feedback to the engine control unit
• Addresses check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining correct combustion parameters

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 15309 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The sensor’s specific fitment for Pontiac Matrix, Toyota Tacoma, and Toyota Vibe models means no modifications are necessary for proper connection. Verify connector orientation and terminal alignment before securing the sensor.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15309 is manufactured to meet OEM standards for fit, form, and function. It includes a heated element to ensure rapid sensor response and reliable operation. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, refer to Bosch documentation or authorized distributors.