Denso 234-5713 Air / Fuel Ratio Sensor - Upstream or Upstream Right

Reliable Air/Fuel Ratio Sensor for Ford and Lincoln Vehicles

The Denso OE Style 234-5713 air/fuel ratio sensor is designed specifically for select Ford and Lincoln models, including the EcoSport, Expedition, F-150, Focus, and Navigator. This heated sensor ensures accurate emissions control and optimal engine performance by monitoring the air-to-fuel mixture.

• Heated sensor type for faster response times
• Specific fit for Ford and Lincoln vehicles
• 25.28-inch wiring harness length for precise installation
• Five-wire configuration with male connector
• Thread diameter of 0.697 inches for secure mounting
• Regular grade type for standard durability

About the Denso OE Style Product Line

The OE Style line from Denso offers emission control components engineered to meet original equipment specifications. The 234-5713 air/fuel ratio sensor maintains factory-level performance and fitment, providing a direct replacement solution for compatible Ford and Lincoln models. This line focuses on delivering reliable sensor operation to support vehicle emissions systems without modification.

Detailed Product Description

This Denso air/fuel ratio sensor (part number 234-5713) features a heated sensor element that allows it to reach operating temperature quickly, improving the accuracy of air-fuel mixture readings. The sensor’s 25.28-inch wiring harness length and five-wire design with a male connector ensure compatibility and ease of connection with the vehicle’s existing wiring. Its specific fitment to Ford and Lincoln models such as the EcoSport, Expedition, F-150, Focus, and Navigator guarantees proper installation and function. The thread diameter of 0.697 inches provides a secure and leak-free mounting point in the exhaust system.

Common Applications and Issues Addressed

• Helps maintain optimal engine performance by monitoring air/fuel mixture
• Reduces emissions by providing accurate data to the engine control unit
• Resolves check engine light triggers related to air/fuel sensor faults
• Improves fuel efficiency by ensuring proper combustion
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

• Ensure vehicle compatibility with Ford EcoSport, Expedition, F-150, Focus, or Lincoln Navigator before installation
• Disconnect the battery before sensor replacement to avoid electrical issues
• Use appropriate tools to remove the old sensor and install the new one with the 0.697-inch thread diameter
• Check wiring harness connections for secure fit with the male connector
• After installation, clear any diagnostic trouble codes and verify sensor operation

Quality Assurance and Warranty

The Denso OE Style 234-5713 air/fuel ratio sensor is manufactured to meet original equipment standards, ensuring reliable performance and durability. This sensor undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.