Denso 234-4230 Oxygen Sensor - Downstream

Overview of the Denso OE Style Oxygen Sensor 234-4230

The Denso OE Style Oxygen Sensor 234-4230 is designed specifically for Dodge Neon models, providing precise emissions control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 24.80-inch wiring harness length for a direct fit installation.

• Heated oxygen sensor for accurate emissions readings
• Specific fit for Dodge Neon vehicles
• 24.80-inch wiring harness length for proper reach
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire design with female connector for secure connection

Detailed Product Description

The Denso OE Style line focuses on providing original equipment quality replacement parts that match the specifications of the factory-installed components. The 234-4230 oxygen sensor is a heated sensor, which means it includes an internal heating element to bring the sensor up to operating temperature quickly. This feature helps improve fuel efficiency and reduce emissions by providing faster and more accurate oxygen level readings. The sensor’s 24.80-inch wiring harness length and female connector ensure compatibility with the Dodge Neon’s existing wiring system, while the threaded mounting type with a 0.708-inch diameter allows for secure and proper installation.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for Dodge Neon engines
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use a proper oxygen sensor socket for removal and installation
• Do not over-tighten; follow torque specifications for the 0.708-inch threaded sensor
• Check wiring harness routing to avoid contact with hot or moving parts
• Verify connector is securely attached to prevent signal loss

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet or exceed original equipment standards, ensuring reliable performance and durability. The 234-4230 part undergoes rigorous testing to maintain consistent sensor output and longevity. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer, as they may vary.