Standard Ignition TH159 Throttle Position Sensor

Reliable Throttle Position Sensor for Buick, Chevrolet, Pontiac, and More

The Standard Ignition TH159 Throttle Position Sensor is designed to provide accurate throttle position readings for a range of GM vehicles. This sensor ensures proper engine performance by delivering precise data to the engine control unit, compatible with models like the Chevrolet Camaro, Pontiac Firebird, and Buick LeSabre.

• Connector Gender: Female for secure connection
• Single Plug-in Connector Type for easy installation
• Three Male Blade Terminals for reliable electrical contact
• Compatible with multiple GM makes and models including Buick, Chevrolet, Oldsmobile, and Pontiac
• Part Number TH159 for exact replacement and fitment

Technical Details and Compatibility

The TH159 throttle position sensor features a female connector with one plug-in type connection, ensuring a straightforward and secure fit. It includes three male blade terminals that provide stable electrical contact, minimizing the risk of signal loss or interference. This sensor is engineered to meet OEM specifications and is compatible with a variety of GM vehicles such as the Chevrolet Impala, Pontiac Grand Prix, Buick Park Avenue, and Oldsmobile 88. The precise fitment helps maintain optimal throttle response and engine efficiency.

Common Applications and Problem Resolution

This throttle position sensor is used to monitor the position of the throttle valve and relay this information to the vehicle’s engine control module. It is essential for proper fuel injection and ignition timing. The TH159 can help address issues such as:

• Erratic or unstable idle speed
• Poor acceleration or hesitation during throttle input
• Check engine light triggered by throttle position sensor faults
• Reduced fuel efficiency due to incorrect throttle data
• Engine stalling or surging at low speeds

Installation Notes and Tips

When installing the Standard Ignition TH159 sensor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. The female plug-in connector should be securely attached to the sensor’s terminals, which are male blade type, to guarantee a proper electrical connection. Verify the sensor alignment with the throttle shaft to avoid inaccurate readings. It is recommended to consult the vehicle’s service manual for torque specifications and sensor calibration procedures.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TH159 throttle position sensor undergoes rigorous quality control testing to verify electrical and mechanical integrity. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use conditions.