Delphi ES20144 Oxygen Sensor

Delphi ES20144 Heated Oxygen Sensor Overview

The Delphi ES20144 is a heated oxygen sensor designed for precise emission control in various vehicle models. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures reliable performance and accurate readings for optimal engine management.

• Heated oxygen sensor with 4 wires for efficient operation
• Square connector shape for secure and proper fitment
• Thread size of 18 x 1.5 mm compatible with multiple vehicles
• Overall length of 380.0 mm for versatile installation
• Includes oxygen sensor and instruction sheet for easy setup
• Compatible with center, front, front left/right, and rear left/right positions

Technical Details and Compatibility

The Delphi ES20144 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire configuration supports both sensor heating and signal transmission, enhancing durability and responsiveness. The square connector shape ensures 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 380 mm, this sensor fits a range of applications across Chevrolet, Ford, Mazda, Pontiac, and Suzuki vehicles, including models such as the Mazda 626, Chevrolet Aveo and Aveo5, Pontiac Forenza and G3, Mazda MPV and MX-6, and Ford Probe.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces engine misfires and rough idling caused by faulty sensors
• Supports emission system compliance by monitoring exhaust gases
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing accurate oxygen level data

Installation Notes and Tips

When installing the Delphi ES20144 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct thread size (18 x 1.5 mm) to avoid cross-threading. The sensor’s square connector should align properly with the vehicle’s wiring harness for a secure fit. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Follow the included instruction sheet for detailed installation guidance and torque specifications.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM standards, ensuring reliable performance and durability. The ES20144 part number undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in product quality.