Denso 234-9307 Air / Fuel Ratio Sensor - Downstream Left or Upstream

Reliable Air/Fuel Ratio Sensor for Lexus and Toyota Vehicles

The Denso OE Style Air/Fuel Ratio Sensor 234-9307 is designed specifically for select Lexus and Toyota models, ensuring precise emissions control and optimal engine performance. This heated sensor features a 10.75-inch wiring harness and a four-wire configuration tailored for exact fitment.

• Heated sensor type for faster response times
• Specific fit for Lexus and Toyota models including Avalon, Camry, ES250, ES300h, Highlander, NX250, NX450h+, RAV4, RAV4 Prime, Sienna, and Venza
• 10.75-inch wiring harness length for proper installation
• Four-wire design for accurate signal transmission
• Regular grade type ensuring standard OE performance

About the Denso OE Style Product Line

The OE Style line from Denso offers components engineered to meet original equipment specifications. This ensures that the 234-9307 Air/Fuel Ratio Sensor maintains the quality and reliability expected from factory parts. Designed to integrate seamlessly with your vehicle’s emission control system, the OE Style sensor supports consistent engine management and emissions compliance.

Detailed Product Description

The Denso 234-9307 Air/Fuel Ratio Sensor is a heated sensor that provides accurate air-to-fuel mixture readings to the engine control unit. Its specific fitment for Lexus and Toyota vehicles guarantees compatibility and reduces installation complexity. The 10.75-inch wiring harness length and four-wire setup allow for proper connection and signal integrity. This sensor plays a critical role in maintaining efficient combustion and reducing harmful emissions.

Common Issues Addressed by This Sensor

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

Installation Notes and Tips

Ensure the vehicle is compatible with the Denso 234-9307 sensor by verifying make and model fitment. Handle the sensor carefully to avoid damage to the heated element and wiring harness. Follow manufacturer torque specifications when installing to prevent leaks or sensor damage. It is recommended to inspect related components such as wiring connectors and exhaust system for optimal sensor performance.

Quality Assurance and Warranty

Denso manufactures the 234-9307 Air/Fuel Ratio Sensor to meet strict quality standards consistent with original equipment. While specific warranty details are not provided here, Denso products typically come with coverage that protects against manufacturing defects. Using a sensor from the OE Style line helps ensure reliable operation and compliance with emissions regulations.