Delphi ES20170 Oxygen Sensor - Front

Delphi ES20170 Heated Oxygen Sensor Overview

The Delphi ES20170 is a heated oxygen sensor designed for precise emission control in select Hyundai and Kia vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate air-fuel mixture readings for optimal engine performance.

• Heated oxygen sensor with 4 wires for reliable operation
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with specified vehicles
• Overall length of 220.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Positioned for front placement in the exhaust system

Detailed Product Description

The Delphi ES20170 oxygen sensor is engineered to meet the emission control requirements of Hyundai Elantra, Kia Sportage, Tiburon, and Tucson models. Its heated sensor type allows for faster warm-up times, improving sensor responsiveness and reducing emissions during cold starts. The 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape facilitates a secure electrical connection, minimizing the risk of disconnection or signal loss. With a thread size of 18 x 1.5 mm and an overall length of 220.0 mm, this sensor fits precisely in the front position of the exhaust system, where it monitors oxygen levels to help the engine control module adjust fuel delivery accurately.

Compatible Vehicles and Applications

• Hyundai Elantra oxygen sensor replacement
• Kia Sportage front oxygen sensor installation
• Oxygen sensor for Kia Tiburon emission control
• Hyundai Tucson heated oxygen sensor upgrade

Common Issues Addressed by Delphi ES20170

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions from delayed sensor response
• Engine performance issues related to oxygen sensor failure
• Failed emissions tests caused by sensor malfunction

Installation Notes and Tips

Before installation, ensure the engine and exhaust system are cool to avoid burns. Use the included instruction sheet for proper torque specifications and connector alignment. The 18 x 1.5 mm thread size requires compatible tools for removal and installation. Verify the sensor is installed in the front position of the exhaust system to maintain accurate readings. Avoid damaging the sensor tip during handling and installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20170 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to support long-term use.