Walker 200-91037 Throttle Position Sensor

Throttle Position Sensor for GM Applications

Walker Products FSK 200-91037 is a throttle position sensor for select Chevrolet, Cadillac, Buick, Oldsmobile, Pontiac, and GMC applications. It provides the signal the engine control system uses to track throttle movement for accurate drivability and fuel management.

Compatible With 1985-2001 GM vehicles, including Chevrolet S10, Lumina, Camaro, Corvette, and Cadillac DeVille applications.

Key Features

• Throttle Position Sensor for emission control and engine management systems
• Walker Products FSK line component built to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and technical support resources
• ISO 9001/IATF16949 certified manufacturing environment
• Cross-reference example: Standard Ignition TH47
• Part number 200-91037 for accurate catalog matching

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with a focus on OE-style fit, accurate application data, and consistent production quality. The FSK 200-91037 throttle position sensor is part of that engine sensor lineup and is used to report throttle angle to the vehicle control system. That signal supports proper fuel delivery, idle response, and throttle-related engine control on applications such as Chevrolet S10, GMC Sonoma, Pontiac Grand Prix, and Cadillac Seville.

This part number 200-91037 is listed for a wide range of GM cars and trucks from 1985 through 2001, including Chevrolet Chevy, Lumina, Monte Carlo, Astro, and S10 Blazer, along with Buick Century and Skylark, Oldsmobile Cutlass Ciera and Cutlass Supreme, and Pontiac Firebird and Fiero.

Common Issues This Part May Address

• Erratic or delayed throttle signal output
• Rough idle or unstable engine response
• Hesitation during acceleration
• Throttle angle reading faults in engine management diagnostics
• Driveability concerns tied to worn sensor output

Installation Notes and Tips

Verify connector style, throttle body configuration, and application coverage before installation. Compare the old sensor’s mounting and indexing points to the replacement unit, and clear diagnostic trouble codes after installation if required by the vehicle service procedure. Confirm fitment by year, make, and model for the exact GM application listed.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, engineering, and technical documentation resources, and operates under ISO 9001/IATF16949 certification.