Walker 200-1042 Throttle Position Sensor

Overview of Walker Products Throttle Position Sensor 200-1042

The Walker Products Throttle Position Sensor (part number 200-1042) is designed for precise throttle body monitoring in select Buick, Chevrolet, GMC, and Pontiac vehicles. This sensor ensures accurate throttle position feedback to the engine control unit, supporting optimal engine performance and emission control.

• Constructed from durable plastic material
• Throttle body mounted for direct position sensing
• Includes mounting hardware for straightforward installation
• Features a single oblong female connector with three male/female terminals
• Non-adjustable design for consistent factory specifications

Product Line Details: Walker Products

Walker Products specializes in emission control components, providing reliable sensors and parts that meet OEM standards. The 200-1042 throttle position sensor is part of this line, engineered to maintain emission compliance and support engine management systems in various GM vehicles.

Detailed Product Description

This throttle position sensor is specifically designed to be mounted on the throttle body, allowing it to accurately detect the throttle plate's position. The plastic construction offers resistance to corrosion and wear, while the included mounting hardware simplifies replacement. The sensor uses a bullet terminal type with three terminals arranged in a single oblong female connector, ensuring secure electrical connections. It is a non-adjustable sensor, maintaining consistent calibration as per factory settings.

Compatible Vehicles and Applications

• Compatible with Buick models such as LeSabre, Riviera, and Regal
• Fits Chevrolet trucks and SUVs including C1500, C2500, C3500, S10, and Blazer
• Suitable for GMC models like Jimmy, Sierra K1500, and Safari
• Works with Pontiac vehicles including Bonneville, Grand Prix, and Parisienne
• Designed for various full-size vans and trucks such as G10, G20, G30, and Suburban variants

Common Issues Addressed by This Sensor

• Erratic or unstable idle speed
• Poor throttle response or hesitation during acceleration
• Check engine light triggered by throttle position faults
• Reduced fuel efficiency due to incorrect throttle data
• Engine stalling or surging related to throttle position sensor failure

Installation Notes and Tips

Installation requires removal of the old throttle position sensor from the throttle body. The included mounting hardware should be used to secure the new sensor in place. Ensure the oblong female connector is properly aligned and connected to the vehicle’s wiring harness. Since this sensor is non-adjustable, no calibration is necessary after installation. It is recommended to verify sensor operation with a diagnostic tool to confirm proper function.

Quality Assurance and Warranty

Walker Products throttle position sensors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 200-1042 sensor undergoes quality control testing to verify electrical and mechanical integrity. Warranty coverage details should be confirmed with the product documentation or supplier.