Standard Ignition TH289 Throttle Position Sensor

Overview of Standard Ignition TH289 Throttle Position Sensor

The Standard Ignition TH289 throttle position sensor is designed to provide accurate throttle position data for improved engine performance. Compatible with Chevrolet, Oldsmobile, Pontiac, and Saturn models, this sensor ensures reliable operation in vehicles such as the Alero, Cavalier, Classic, Grand Am, Ion, L300, Malibu, and Sunfire.

• Connector Gender: Female
• Single Plug-in Connector
• Terminal Gender: Male
• Three Blade Terminals
• Part Number: TH289

Technical Details and Attributes

This throttle position sensor features a female connector with one plug-in type connection, facilitating straightforward installation. It includes three male blade terminals, which are standard for secure electrical contact and compatibility with the vehicle’s wiring harness. The design supports precise throttle position feedback to the engine control unit (ECU), essential for fuel management and engine responsiveness.

Compatible Vehicles and Fitment

The Standard Ignition TH289 throttle position sensor is compatible with a range of GM vehicles, including Chevrolet Cavalier, Malibu, and Sunfire; Oldsmobile L300 and Alero; Pontiac Grand Am and Classic; as well as Saturn Ion. This ensures proper fitment and function across these models, maintaining OEM specifications.

Common Applications and Problem Resolution

• Resolves erratic idle or stalling issues caused by faulty throttle position readings
• Corrects hesitation or poor acceleration due to sensor malfunction
• Eliminates check engine light triggers related to throttle position sensor faults
• Improves fuel efficiency by providing accurate throttle input data
• Restores smooth throttle response and drivability

Installation Notes and Tips

Installation of the TH289 sensor requires disconnecting the battery and locating the existing throttle position sensor on the throttle body. Ensure the female plug-in connector aligns properly with the male blade terminals. Avoid forcing the connector to prevent damage. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The TH289 throttle position sensor undergoes rigorous testing to ensure durability and performance. This part is backed by a limited warranty, providing coverage against defects in materials and workmanship under normal use.