Delphi ES20002 Oxygen Sensor - Center, Front Right, Rear or Rear Right

Delphi ES20002 Heated Oxygen Sensor Overview

The Delphi ES20002 is a heated oxygen sensor designed for precise emission control in various GM and Isuzu vehicles. Engineered with a 4-wire configuration and a square connector, 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 320.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment: center, front right, rear, rear right

Technical Details and Compatibility

The Delphi ES20002 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. The 4-wire setup includes two wires for the heating element and two for the sensor signal, ensuring accurate oxygen level detection. Its square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit in the exhaust system. With an overall length of 320 mm, this sensor is designed to fit specific positions such as center, front right, rear, and rear right on compatible vehicles.

This oxygen sensor is compatible with a range of Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models including the Buick LeSabre, Chevrolet Camaro, Impala, Lumina, Monte Carlo, and S10, as well as the Pontiac Firebird, Grand Prix, and Bonneville. It also fits Isuzu Hombre and GMC Sonoma among others, making it suitable for various applications requiring position-specific oxygen sensors.

Common Applications and Problem Resolution

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires caused by faulty oxygen sensor readings
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate sensor data
• Resolves check engine light issues related to oxygen sensor faults

Installation Notes and Tips

When installing the Delphi ES20002 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the included instruction sheet for guidance on sensor positioning and connector attachment. Verify the thread size matches the exhaust port to prevent cross-threading. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal. Confirm the sensor is installed in the correct position (center, front right, rear, or rear right) as specified for your vehicle model.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications for durability and performance. The ES20002 undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.