Denso 234-4306 Oxygen Sensor - Downstream or Downstream Right

Reliable Oxygen Sensor for Pontiac and Toyota Vehicles

The Denso OE Style 234-4306 oxygen sensor is designed specifically for select Pontiac and Toyota models, including the Matrix, Venza, and Vibe. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Pontiac Matrix, Toyota Venza, and Toyota Vibe
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire design with male connector for secure connection
• 37.01-inch wiring harness length for proper installation

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. The 234-4306 oxygen sensor maintains factory fit and function, providing reliable emissions control and compatibility with the original vehicle wiring and mounting points.

Product Details and Specifications

This oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 37.01-inch wiring harness length provides adequate reach for installation in the engine bay, while the four-wire configuration supports both sensor heating and signal transmission. The male connector ensures a secure and proper electrical connection, and the threaded mounting type with a 0.708-inch diameter allows for straightforward installation in the exhaust system.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Pontiac Matrix and Toyota Venza
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing precise emissions data
• Reduces exhaust emissions by ensuring proper sensor operation
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Use the correct tools to remove the old sensor and install the Denso 234-4306 oxygen sensor, threading it securely without over-tightening. Verify the connector is fully seated to maintain proper electrical contact. This sensor is designed for specific fitment on Pontiac Matrix, Toyota Venza, and Toyota Vibe models, so confirm compatibility before installation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship to ensure reliable performance and durability.