Delphi ES10840 Oxygen Sensor - Front

Delphi ES10840 Heated Oxygen Sensor Overview

The Delphi ES10840 oxygen sensor is designed for precise emission control in select Chrysler and Dodge vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings, helping maintain optimal engine performance and emissions compliance for models like the Caravan, Grand Caravan, Town & Country, and Voyager.

• Heated sensor type for faster response times
• 4-wire design with square connector shape
• Thread size of 18 x 1.5 mm for secure fitment
• Overall length of 385.0 mm for proper installation
• Includes oxygen sensor and instruction sheet
• Positioned for front installation

Technical Details and Compatibility

The Delphi ES10840 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire configuration supports both sensor signal and heater power, ensuring reliable operation. The square connector shape and 18 x 1.5 mm thread size provide a precise fit for front-position applications on Chrysler and Dodge vehicles, specifically the Caravan, Grand Caravan, Town & Country, and Voyager models. The sensor’s overall length of 385.0 mm accommodates proper placement within the exhaust system.

Applications and Problem Resolution

This oxygen sensor is used to monitor the oxygen levels in the exhaust gases, enabling the engine control unit to adjust the air-fuel ratio accurately. It is compatible with the following vehicles:

• Chrysler Caravan
• Chrysler Grand Caravan
• Dodge Town & Country
• Dodge Voyager

Common issues addressed by replacing the ES10840 oxygen sensor include:

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Failed or degraded sensor heater circuit

Installation Notes and Tips

When installing the Delphi ES10840 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct 18 x 1.5 mm thread size to avoid cross-threading. The square connector should be securely connected to prevent signal loss. Follow the included instruction sheet for torque specifications and wiring details. It is recommended to inspect the wiring harness and connector for damage before installation.

Quality Assurance and Warranty

Delphi oxygen sensors are manufactured to meet OEM specifications for durability and performance. The ES10840 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. 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.