Delphi ES20038 Oxygen Sensor - Front Right, Left or Right

Delphi ES20038 Heated Oxygen Sensor Overview

The Delphi ES20038 is a heated oxygen sensor designed for precise emission control in select Ford and Mazda vehicles. Engineered with a 4-wire configuration and a square connector shape, this sensor ensures accurate readings and reliable performance for your vehicle's front oxygen sensing needs.

• 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 specified models
• Overall length of 300.0 mm for correct installation depth
• Includes oxygen sensor and instruction sheet for installation guidance
• Position-specific fitment: front, front right, left, and right

Technical Details and Compatibility

The Delphi ES20038 oxygen sensor features a heated design that allows it to reach optimal operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire setup supports both the sensor element and the heater circuit, ensuring consistent sensor response. The square connector shape and 18 x 1.5 mm thread size provide a secure and precise fit for front oxygen sensor locations on compatible vehicles. This sensor is suitable for various Ford and Mazda models, including the Ford Probe and Mazda 626, 929, MPV, and MX-6, making it a reliable choice for emission control system maintenance.

Common Applications and Problem Resolution

• Helps resolve rough idling caused by incorrect air-fuel mixture readings
• Addresses increased fuel consumption due to faulty oxygen sensor signals
• Reduces engine hesitation and stalling related to emission sensor issues
• Prevents check engine light triggers linked to oxygen sensor faults
• Supports proper catalytic converter function by providing accurate exhaust gas data

Installation Notes and Tips

When installing the Delphi ES20038 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 vehicle’s sensor 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 front position (right or left) as specified for your vehicle model.

Quality Assurance and Warranty

Delphi manufactures the ES20038 oxygen sensor to meet OEM specifications, ensuring reliable performance and durability. The sensor undergoes rigorous testing to comply with emission standards for Ford and Mazda vehicles. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects, providing confidence in the product’s quality and longevity.