Denso 234-9066 Air / Fuel Ratio Sensor - Upstream

Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-9066 is designed specifically for Acura TSX models, providing precise air and fuel mixture readings to optimize engine performance. This heated sensor features a 23.62-inch wiring harness and a female connector, ensuring a direct fit and reliable connection.

• Heated air/fuel ratio sensor for accurate emissions control
• Specific fit for Acura TSX vehicles
• 23.62-inch wiring harness length for proper installation
• Female connector with 4 wires for seamless integration
• Thread diameter of 0.711 inches for secure mounting
• Regular grade type for standard OE replacement

Detailed Product Description

The Denso 234-9066 air/fuel ratio sensor is engineered to meet the exact specifications of the Acura TSX, ensuring compatibility and reliable operation. As a heated sensor, it quickly reaches optimal operating temperature, improving sensor response time and reducing emissions during cold starts. The 4-wire configuration supports both sensor heating and signal transmission, while the 0.711-inch thread diameter guarantees a proper seal and fit. The 23.62-inch wiring harness length provides sufficient reach for straightforward installation without the need for extensions or modifications.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that closely match original equipment specifications. This air/fuel ratio sensor maintains the quality and fitment standards expected from factory components, making it a suitable replacement for Acura TSX owners seeking dependable emission control parts. The OE Style designation ensures that the sensor integrates seamlessly with existing vehicle systems.

Common Applications and Issues Addressed

• Restores accurate air/fuel mixture readings for optimal engine performance
• Helps resolve check engine light triggers related to sensor faults
• Improves fuel efficiency by providing precise feedback to the engine control unit
• Reduces harmful emissions by maintaining proper combustion ratios
• Eliminates rough idling or hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-9066 sensor on an Acura TSX, ensure the wiring harness is routed away from heat sources and moving parts to prevent damage. Use appropriate tools to avoid damaging the 0.711-inch threaded fitting. It is recommended to check for any diagnostic trouble codes before and after installation to confirm proper sensor operation.

Quality Assurance and Warranty

Denso manufactures this air/fuel ratio sensor to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.