Walker 200-1045 Throttle Position Sensor

Throttle Position Sensor for GM and Isuzu Applications

Walker Products 200-1045 is a throttle position sensor built for throttle body mounted applications that require accurate throttle angle feedback. It is a direct-fit style replacement for a range of Chevrolet, GMC, Pontiac, and Isuzu vehicles, including S10, S15, Camaro, Firebird, and Trooper models.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes throttle position sensors, cam and crankshaft sensors, oxygen sensors, injectors, and related engine management parts.

Key Features

• Part number: 200-1045
• Throttle body mounted design
• Plastic sensor housing
• Adjustable construction for proper throttle calibration
• 1 oblong female connector
• 3 terminals with bullet-style terminal design
• Mounting hardware included
• Mounts without a bracket

Detailed Description

Walker Products 200-1045 throttle position sensor is engineered for vehicles that rely on precise throttle signal input to the engine control system. It is listed for applications such as 1986-1991 Chevrolet S10, 1986-1989 Chevrolet S10 Blazer, 1986-1990 GMC S15, 1986-1989 GMC S15 Jimmy, 1988-1989 Chevrolet Camaro, and 1988-1989 Pontiac Firebird. Additional coverage includes 1989-1991 GMC Sonoma, 1989-1991 Isuzu Trooper, and several full-size Chevrolet and GMC truck and van applications.

This part cross-references Standard Ignition TH32 and NTK TH0065 for the same application. The 200-1045 is a practical replacement choice when the original throttle position sensor is worn, inconsistent, or no longer delivering a stable signal. Use the part number 200-1045 to verify application details before ordering.

What It Helps Fix

• Erratic throttle signal output
• Hesitation during acceleration
• Rough idle caused by incorrect throttle feedback
• Delayed or inconsistent transmission response tied to throttle input
• Check engine light concerns related to throttle position sensor performance

Installation Notes and Tips

Confirm connector style, terminal count, and throttle body mounting before installation. The sensor is adjustable, so proper alignment and calibration are important after mounting. Inspect the throttle body, wiring connector, and terminals for wear or corrosion before installing the new sensor. Verify fitment against the vehicle listing for Chevrolet S10, GMC S15, Pontiac Firebird, and other supported applications.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation to help maintain application accuracy and part quality.