Walker 200-1138 Throttle Position Sensor

Overview of Walker Products Throttle Position Sensor 200-1138

The Walker Products Throttle Position Sensor (part number 200-1138) is designed for precise throttle body monitoring in select Nissan vehicles. This sensor is compatible with Nissan 720, D21, and Pathfinder models, ensuring accurate throttle position feedback for optimal engine performance.

• Material: Durable plastic and metal construction
• Wiring harness length: 148.0 mm for flexible installation
• Throttle body mounted for direct measurement
• Blade terminal type with 6 terminals (male)
• Includes 3 wires and 2 rectangular female connectors
• Adjustable sensor for fine-tuning throttle response
• Mounting hardware and bracket not included

Walker Products Brand Line Details

Walker Products offers a range of emission control components designed to meet OEM specifications. The 200-1138 throttle position sensor is part of this line, providing reliable sensor technology that integrates seamlessly with vehicle systems. This product line focuses on emission control sensors that maintain engine efficiency and regulatory compliance.

Detailed Product Description

The Walker Products 200-1138 throttle position sensor is engineered with a combination of plastic and metal materials to withstand engine bay conditions. It mounts directly on the throttle body, providing real-time throttle position data to the engine control unit. The sensor features a 148 mm wiring harness length, allowing for straightforward connection within the engine compartment. It uses blade-type terminals with six male terminals and two female rectangular connectors, supporting a three-wire configuration. The adjustable design allows technicians to calibrate the sensor for precise throttle response, which is critical for maintaining smooth acceleration and fuel efficiency in Nissan 720, D21, and Pathfinder vehicles.

Common Applications and Issues Addressed

• Throttle position sensor failure causing erratic idle or stalling
• Inaccurate throttle input leading to poor acceleration
• Check engine light triggered by throttle sensor faults
• Engine hesitation or surging during throttle changes
• Emission control problems related to throttle position feedback

Installation Notes and Tips

Installation requires mounting the sensor directly on the throttle body of compatible Nissan models. Note that mounting hardware and brackets are not included, so existing hardware should be reused or sourced separately. The adjustable feature allows for sensor calibration after installation to ensure accurate throttle position readings. Care should be taken to connect the blade terminals correctly, matching the male terminals on the sensor with the female connectors on the wiring harness.

Quality Assurance and Warranty

Walker Products throttle position sensors are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Walker Products typically offers coverage against manufacturing defects. This sensor is designed to provide consistent operation within the emission control system of Nissan 720, D21, and Pathfinder vehicles.