Delphi ES20176 Oxygen Sensor - Rear

Delphi ES20176 Heated Oxygen Sensor Overview

The Delphi ES20176 is a heated oxygen sensor designed for precise emission control in select Acura and Honda vehicles. Engineered to meet OEM specifications, this sensor helps maintain optimal engine performance and fuel efficiency in models like the Honda Accord and Acura TSX.

• Heated sensor type for faster warm-up and accurate readings
• 4-wire configuration ensuring reliable electrical connections
• Square connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with rear sensor ports
• Overall length of 1070 mm for proper installation reach
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned for rear exhaust system placement

Technical Details and Compatibility

The Delphi ES20176 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and emission control accuracy. With a 4-wire setup, this sensor provides both the heating element and signal wires necessary for precise oxygen level monitoring. The square connector shape ensures a secure and correct electrical connection, reducing the risk of sensor failure due to loose contacts. Its thread size of 18 x 1.5 mm matches the rear exhaust port specifications on compatible Acura and Honda vehicles, including the Accord and TSX models. The overall length of 1070 mm allows for proper routing and installation in the rear exhaust system.

Applications and Problem Resolution

This oxygen sensor is specifically compatible with Acura and Honda vehicles, including the Accord and TSX, requiring a rear heated oxygen sensor with the specified thread and connector type. It is designed to address common issues such as:

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture data
• Increased emissions from inefficient combustion
• Engine performance problems related to sensor malfunction
• Failed emissions tests caused by sensor degradation

Installation Notes and Tips

When installing the Delphi ES20176 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct 18 x 1.5 mm thread size socket to avoid damaging the sensor or exhaust threads. Verify the square connector aligns properly with the vehicle harness to ensure a secure electrical connection. Follow the included instruction sheet for torque specifications and wiring guidance. It is recommended to inspect the wiring harness and connector for damage before installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The ES20176 part number undergoes rigorous testing to ensure durability and accurate sensor performance under various operating conditions. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product reliability.