Walker 200-91448 Throttle Position Sensor

Walker Products FSK 200-91448 Throttle Position Sensor

Walker Products FSK 200-91448 is a throttle position sensor for select early-1980s GM compact cars. It provides the signal the engine control system uses to track throttle movement, helping maintain accurate fuel delivery and drivability.

Compatible With 1980-1982 Buick, Chevrolet, Cadillac, Oldsmobile, and Pontiac applications including Buick Skyhawk, Cadillac Cimarron, Chevrolet Cavalier, Chevrolet Citation, Oldsmobile Firenza, Oldsmobile Omega, Pontiac J2000, Buick Skylark, and Pontiac Phoenix.

Key Features

• Throttle position sensor for emission control and engine management systems
• Walker Products FSK line for fuel system and sensor applications
• Built to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering, product management, and technical documentation
• Direct replacement reference for select GM compact vehicle applications

Product Details

The Walker Products FSK line focuses on fuel system and engine sensor components, including throttle position sensors used to report throttle angle to the vehicle control system. Part number 200-91448 is listed for select 1980-1982 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, including the Buick Skyhawk, Cadillac Cimarron, Chevrolet Cavalier, Chevrolet Citation, Oldsmobile Firenza, Oldsmobile Omega, Pontiac J2000, Buick Skylark, and Pontiac Phoenix. This part cross-references Standard Ignition TH33 for the same application.

Walker Products has supplied automotive fuel system components since 1946 and manufactures engine management parts with ISO 9001/IATF16949 quality systems in place.

Common Issues This Sensor Can Address

• Erratic throttle signal readings
• Hesitation during acceleration
• Rough idle caused by incorrect throttle input
• Delayed or inconsistent throttle response
• Driveability concerns tied to worn sensor output

Installation Notes and Tips

Verify connector style, mounting points, and calibration requirements against the original sensor before installation. After replacement, inspect the throttle linkage and related wiring for wear, corrosion, or looseness that could affect sensor output. Confirm the vehicle application by year, make, and model before ordering.

Quality Assurance

Walker Products manufactures this throttle position sensor to meet or exceed OEM standards and specifications. The brand supports production with in-house engineering, product management, technical documentation, and application data control.