NTK 22138 Oxygen Sensor - Downstream or Upstream

Overview of NTK Direct Fit Oxygen Sensor 22138

The NTK Direct Fit Oxygen Sensor 22138 is designed specifically for Ford Fiesta models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 15.25-inch wiring harness for straightforward installation.

• Heated oxygen sensor for faster response times
• Specific fit for Ford Fiesta vehicles
• Threaded mounting type with 18mm thread diameter
• Four-wire configuration for accurate signal transmission
• 15.25-inch wiring harness length for proper reach

Detailed Product Features and Specifications

The NTK 22138 oxygen sensor belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing exact replacement sensors tailored to specific vehicle applications. This ensures compatibility and reduces installation time compared to universal sensors. The heated sensor type accelerates the sensor’s readiness by maintaining optimal operating temperature, which is critical for accurate air-fuel mixture readings. With a wire quantity of four, this sensor supports both the heater circuit and signal output, enhancing reliability and performance. The 18mm threaded mounting type allows for secure and proper installation in the exhaust system of the Ford Fiesta.

Applications and Common Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces harmful emissions by providing accurate feedback to the engine control unit
• Resolves engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

When installing the NTK 22138 oxygen sensor, ensure the vehicle is compatible with this specific fit sensor, particularly Ford Fiesta models. Use appropriate tools to avoid damaging the 18mm threaded mounting. Verify the wiring harness length of 15.25 inches is sufficient for your vehicle’s sensor location. It is recommended to disconnect the battery before installation to prevent electrical shorts. Proper torque specifications should be followed to secure the sensor without over-tightening.

Quality Assurance and Warranty

NTK’s Direct Fit Oxygen Sensor line is engineered to meet OEM standards for durability and performance. Each sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details for part number 22138 may vary, NTK typically offers coverage against manufacturing defects. Consult product documentation or the supplier for exact warranty terms.