Dorman 977-513 Throttle Position Sensor

Reliable Throttle Position Sensor for Select GM Vehicles

The Dorman 977-513 throttle position sensor is designed to provide accurate throttle position readings for a range of Buick, Chevrolet, Geo, GMC, Oldsmobile, and Pontiac models. This sensor ensures proper engine performance by delivering precise data to the vehicle's emission control system.

• Durable plastic construction for long-lasting use
• 3-way female electrical connection with blade terminals
• Non-adjustable design for consistent performance
• Black finish for corrosion resistance
• Compatible with multiple GM makes and models including Camaro, Impala, and Firebird

Product Details and Specifications

The Dorman 977-513 throttle position sensor features a plastic housing that offers durability and resistance to environmental factors. It is designed with a 3-terminal blade type connection and a 3-way female electrical connector, ensuring secure and reliable electrical contact. This sensor is not throttle body mounted, which means it installs separately from the throttle body assembly. The non-adjustable design eliminates the need for manual calibration, simplifying installation and maintenance.

Compatible Vehicles and Applications

This throttle position sensor is compatible with a variety of GM vehicles, including Buick Achieva, Chevrolet Camaro, Caprice, Impala, Lumina, and Silverado models, Geo Storm, GMC Safari, Oldsmobile Cutlass Supreme, Pontiac Firebird, Grand Prix, and more. It is ideal for drivers seeking a replacement sensor that meets OEM specifications for emission control and throttle response.

• Resolves erratic idle and stalling issues
• Corrects throttle response delays or hesitation
• Fixes check engine light codes related to throttle position
• Improves fuel efficiency by providing accurate throttle data
• Prevents transmission shifting problems caused by faulty sensor signals

Installation Notes and Tips

When installing the Dorman 977-513 throttle position sensor, ensure the electrical connector is securely attached to the 3-way female terminal. Since this sensor is not throttle body mounted, verify the mounting location matches your vehicle’s specifications. No adjustment is necessary after installation, but it is recommended to clear any diagnostic trouble codes and perform a system reset to ensure proper operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 977-513 throttle position sensor undergoes rigorous quality control testing to ensure consistent functionality. Please refer to Dorman’s warranty policy for specific coverage details.