Delphi ES20067 Oxygen Sensor - Rear, Rear Left or Rear Right

Delphi ES20067 Heated Oxygen Sensor Overview

The Delphi ES20067 is a heated oxygen sensor designed specifically for Mazda MPV models. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and reduce emissions.

• Heated sensor type for faster warm-up and accurate readings
• 4-wire design ensuring reliable electrical connections
• Square connector shape for secure fitment
• Thread size of 18 x 1.5 mm compatible with rear exhaust ports
• Overall length of 660 mm suitable for rear, rear left, and rear right positions
• Includes oxygen sensor and instruction sheet for installation guidance

Technical Details and Compatibility

The Delphi ES20067 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and emissions control on Mazda MPV vehicles. Its 4-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 exhaust system of the Mazda MPV, making it a position-specific replacement for rear, rear left, or rear right sensor locations. With an overall length of 660 mm, this sensor fits precisely without the need for modifications.

Common Applications and Problem Resolution

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel economy by enabling precise fuel injection adjustments
• Prevents damage to catalytic converters by maintaining proper exhaust gas composition

Installation Notes and Tips

When installing the Delphi ES20067 oxygen sensor on a Mazda MPV, ensure the vehicle is cool to avoid burns. Use the included instruction sheet for proper wiring and torque specifications. Verify the sensor’s position matches the rear, rear left, or rear right location as required by your vehicle. Avoid over-tightening the 18 x 1.5 mm threaded sensor to prevent damage. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Delphi manufactures the ES20067 oxygen sensor to meet OEM standards for durability and performance. Each sensor undergoes rigorous testing to ensure accurate readings and long service life. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.