Denso 234-9112 Air / Fuel Ratio Sensor - Upstream

Overview of the Denso OE Style Air/Fuel Ratio Sensor 234-9112

The Denso OE Style Air/Fuel Ratio Sensor 234-9112 is designed specifically for select Lexus, Scion, and Toyota models. This heated sensor ensures accurate air and fuel mixture readings to optimize engine performance and emissions control.

• Heated sensor type for faster response times
• Specific fit for Lexus, Scion, and Toyota vehicles including Corolla, Prius, and Matrix
• 14.76-inch wiring harness length for precise installation
• Four-wire configuration for reliable signal transmission
• Regular grade type ensuring consistent performance

Detailed Product Description

This air/fuel ratio sensor from Denso's OE Style line is engineered to meet original equipment specifications. The heated sensor element allows quicker warm-up, improving fuel efficiency and reducing emissions shortly after engine start. With a wiring harness length of 14.76 inches and four wires, it provides a secure and accurate connection to the vehicle’s engine control unit. The sensor is a specific fit for models such as the Toyota Corolla, Prius (including Plug-In and V variants), Scion xD, and Lexus CT200h, ensuring compatibility and ease of replacement.

Compatible Vehicles and Applications

• Compatible with Lexus CT200h models requiring precise air/fuel ratio monitoring
• Fits Toyota Prius, Prius Plug-In, and Prius V for emission control accuracy
• Suitable for Toyota Corolla and Matrix models for optimal engine management
• Designed for Scion iQ and xD models needing reliable sensor performance

Installation Notes and Tips

• Ensure the vehicle is cooled before sensor replacement to avoid burns
• Use appropriate tools to avoid damaging the sensor or wiring harness
• Verify the wiring harness length of 14.76 inches fits your vehicle’s routing path
• Check for any diagnostic trouble codes before and after installation
• Follow manufacturer torque specifications when tightening the sensor

Quality Assurance and Warranty

The Denso OE Style 234-9112 air/fuel ratio sensor is manufactured to meet strict quality standards consistent with original equipment parts. This ensures reliable performance and durability under normal operating conditions. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship.

About the Denso OE Style Product Line

The OE Style product line from Denso focuses on delivering parts that match original equipment specifications in fit, form, and function. This ensures that the 234-9112 air/fuel ratio sensor integrates seamlessly with the vehicle’s emission control system, maintaining factory performance standards for Lexus, Scion, and Toyota models.