Delphi ES20142 Oxygen Sensor - Rear

Delphi ES20142 Heated Oxygen Sensor Overview

The Delphi ES20142 is a heated oxygen sensor designed for rear position installation on select Acura and Honda vehicles. Engineered to provide accurate exhaust gas readings, this sensor supports optimal engine performance and emissions control.

• Heated sensor type for faster warm-up and improved accuracy
• Four-wire design ensuring reliable electrical connections
• Square connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with specified models
• Overall length of 505.0 mm for proper installation depth
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20142 oxygen sensor features a heated element that allows it to reach operating temperature quickly, reducing emissions during cold starts. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size are designed to match the rear oxygen sensor port on compatible Acura and Honda models, including the Accord, Civic, CL, Odyssey, Prelude, and TL. With an overall length of 505.0 mm, this sensor fits precisely in the exhaust system to provide accurate oxygen level readings.

Common Applications and Problem Resolution

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Addresses check engine light triggers caused by faulty rear oxygen sensors
• Improves fuel efficiency by providing accurate exhaust gas data
• Reduces harmful emissions by enabling proper catalytic converter function
• Prevents rough idling and hesitation linked to sensor malfunctions

Installation Notes and Tips

When installing the Delphi ES20142 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the square connector aligns correctly with the vehicle harness to prevent connection issues. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Confirm compatibility with your specific Acura or Honda model before installation.

Quality Assurance and Warranty

Delphi manufactures the ES20142 oxygen sensor to meet OEM standards for durability and performance. Each sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty terms may vary, Delphi typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for detailed warranty information.