Walker 200-91083 Throttle Position Sensor

Throttle Position Sensor for GM Applications

Walker Products FSK 200-91083 is a throttle position sensor for select GM vehicles that rely on accurate throttle input for engine management. It serves as a direct replacement option for Buick, Chevrolet, Oldsmobile, and Pontiac applications across the 1995-2005 model years.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting OEM standards and specifications. The FSK product line covers engine management parts such as throttle position sensors, cam and crankshaft sensors, oxygen sensors, fuel injectors, and related repair components.

Key Features

• Throttle position sensor for engine management systems
• Walker Products FSK line replacement part
• Built for select Buick, Chevrolet, Oldsmobile, and Pontiac fitments
• Cross-references Delphi SS10509 and Standard Ignition TH159 for the same application
• Part number 200-91083 for catalog and fitment lookup

Detailed Description

Walker Products 200-91083 is a throttle position sensor used to report throttle angle to the vehicle’s engine control system. Accurate throttle signal input is important for fuel delivery, idle control, and transmission response on the listed applications. This part fits 1995-2005 Buick LeSabre, 1995-2005 Buick Park Avenue, 2000-2005 Chevrolet Impala, 1998-2005 Chevrolet Monte Carlo, 1995-2005 Pontiac Bonneville, 1996-2004 Buick Regal, 1997-2003 Pontiac Grand Prix, 1995-1999 Buick Riviera, 1998-1999 Chevrolet Lumina, 1995-1999 Oldsmobile 88, 1998-1999 Oldsmobile Intrigue, 1996-1999 Oldsmobile LSS, 1995-1998 Chevrolet Camaro, 1997-1998 Oldsmobile Regency, 1995-1998 Pontiac Firebird, and 1995-1996 Oldsmobile 98.

This part number 200-91083 is a practical OE-style replacement for drivers searching for a throttle position sensor for 2000-2005 Chevrolet Impala, 1997-2003 Pontiac Grand Prix, or 1996-2004 Buick Regal applications. It is also listed for 1995-2005 Buick LeSabre and 1995-2005 Pontiac Bonneville fitments.

What It Helps Address

• Erratic or delayed throttle signal feedback
• Rough idle caused by incorrect throttle angle input
• Hesitation during acceleration
• Unstable engine response under changing throttle positions
• Diagnostic trouble codes related to throttle position sensor performance

Installation Notes

Verify the connector style, mounting points, and application details against the vehicle before installation. Confirm the throttle body and related wiring are in good condition, and clear any stored fault codes after replacement if required by the vehicle system. For best results, compare the old sensor to the new unit before installation.

Quality Assurance

Walker Products states that its engine management components are manufactured to meet or exceed OEM standards and specifications. The company supports production with manufacturing, product management, engineering, and technical documentation resources, and operates as an ISO 9001/IATF16949 certified manufacturer.