Delphi ES20085 Oxygen Sensor - Rear

Delphi ES20085 Heated Oxygen Sensor Overview

The Delphi ES20085 is a heated oxygen sensor designed for rear position installation in select Chrysler, Dodge, and Mitsubishi vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate emissions control and optimal engine performance.

• Heated oxygen sensor for improved response time
• 4-wire design for reliable signal transmission
• Square connector shape for secure fitment
• Thread size of 18 x 1.5 mm for precise installation
• Overall length of 590.0 mm to match factory specifications
• Includes oxygen sensor and instruction sheet

Technical Details and Compatibility

The Delphi ES20085 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape and 18 x 1.5 mm thread size provide a secure and exact fit in the rear position of compatible vehicles. With an overall length of 590.0 mm, this sensor matches OEM dimensions for proper installation without modifications.

This oxygen sensor is compatible with various Chrysler, Dodge, and Mitsubishi models, including the Eclipse, Galant, Sebring, and Stratus. Using the correct sensor like the Delphi ES20085 helps maintain your vehicle’s emission system efficiency and engine management accuracy.

Common Applications and Problem Resolution

• Helps resolve rough idling caused by faulty oxygen sensor readings
• Reduces increased fuel consumption due to incorrect air-fuel mixture data
• Addresses check engine light triggers related to rear oxygen sensor faults
• Improves emissions control to meet regulatory standards
• Prevents engine performance issues linked to sensor failure

Installation Notes and Tips

When installing the Delphi ES20085 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. Verify the square connector aligns properly with the vehicle’s wiring harness for a secure connection. Follow the included instruction sheet for torque specifications and sensor orientation. It is recommended to inspect the wiring and connector for damage before installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The ES20085 undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided here, Delphi typically offers coverage against manufacturing defects. Consult product documentation or your supplier for exact warranty terms.