Walker 200-1237 Throttle Position Sensor

Throttle Position Sensor for Toyota and Scion

Walker Products 200-1237 is a throttle position sensor built for throttle body mounted applications with a 3-terminal blade connection and a rectangular female connector. It is a direct-fit style replacement for a range of Toyota, Scion, Pontiac, and Chevrolet models, including Toyota Corolla, Toyota Celica, and Scion xB applications.

Key Features

• Throttle body mounted design
• Plastic sensor housing
• 1 rectangular female connector
• 3 male blade terminals
• No adjustable setting
• No mounting hardware or bracket included

Product Details

Walker Products 200-1237 is part of Walker Products’ engine sensor and fuel system line, supported by the company’s long history in automotive aftermarket components and its focus on meeting OEM standards and specifications. This throttle position sensor is used to report throttle plate movement to the engine control system, helping maintain accurate throttle response and fuel management on vehicles such as the Toyota Matrix, Toyota Echo, and Pontiac Vibe. The part number 200-1237 is also referenced in interchange listings for select OE-style replacement applications.

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

What It Helps Address

• Throttle position signal faults
• Erratic idle behavior related to throttle input
• Delayed or inconsistent acceleration response
• Check engine light conditions tied to TPS circuit issues
• Driveability problems caused by worn sensor output

Installation Notes

Fits 1997-1998 Toyota Tercel, 1997-1998 Toyota Paseo, 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. Verify connector shape, terminal count, and throttle body mounting style before installation. Because this sensor is not adjustable, proper alignment and connector engagement are important during replacement.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with engineering and product support behind its sensor line.