Walker 200-91237 Throttle Position Sensor

Walker Throttle Position Sensor for Toyota and Scion

Walker Products FSK 200-91237 is a throttle position sensor built for precise throttle angle feedback in supported Toyota, Scion, Pontiac, and Chevrolet applications. It is a direct-fit engine management component for vehicles such as the Toyota Corolla, Toyota Matrix, and Scion xB, where accurate throttle signal input is critical to drivability.

Key Features

• Throttle Position Sensor for emission control and engine management systems
• Walker Products FSK line component engineered to meet or exceed OEM standards and specifications
• Manufactured by an ISO 9001/IATF16949 certified company
• Backed by Walker Products engineering, product management, and technical support resources
• Part number 200-91237 for catalog and cross-reference lookup

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on accurate applications and quality manufacturing. The Walker Products FSK line supports throttle position sensor replacement needs across a wide range of import compact cars and small SUVs, including the Toyota Celica, Toyota Echo, Toyota MR2 Spyder, Toyota RAV4, Toyota Paseo, Toyota Tercel, Chevrolet Prizm, Pontiac Vibe, Scion xA, and Scion xB. Part number 200-91237 is a practical choice when you need a replacement throttle position sensor for Toyota Corolla and related applications with confirmed fitment.

This part cross-references Standard Ignition TH240 and NTK TH0056 for the same application.

Common Symptoms This Part May Address

• Erratic or delayed throttle response
• Rough idle or unstable engine speed
• Hesitation during acceleration
• Throttle signal faults stored in the engine control system
• Driveability issues related to incorrect throttle angle input

Installation Notes and Tips

Verify connector style, mounting points, and calibration requirements against the original sensor before installation. After replacement, clear diagnostic trouble codes and confirm throttle signal output with a scan tool if the vehicle requires relearn or adaptation procedures. Confirm vehicle-specific fitment for the exact year and model before ordering; this sensor fits 1997-1998 Toyota Paseo, 1997-1998 Toyota Tercel, 1998-2005 Toyota Corolla, 1998-2000 Toyota RAV4, 1998-2002 Chevrolet Prizm, 2000-2005 Toyota Celica, 2000-2005 Toyota Echo, 2000-2005 Toyota MR2 Spyder, 2003-2006 Toyota Matrix, 2003-2006 Pontiac Vibe, 2004-2006 Scion xA, and 2004-2006 Scion xB.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certification supports controlled production and consistent part quality for aftermarket throttle position sensor replacement.