Standard Ignition TH40 Throttle Position Sensor

Overview of Standard Ignition TH40 Throttle Position Sensor

The Standard Ignition TH40 throttle position sensor is designed to provide accurate throttle position data for optimal engine performance. This sensor is compatible with various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, ensuring reliable fitment and function.

• Connector Gender: Female
• Connector Quantity: 1
• Terminal Gender: Male
• Terminal Quantity: 3
• Part Number: TH40

Key Features and Specifications

The TH40 throttle position sensor features a female connector with a single connection point, paired with three male terminals. This configuration supports precise electrical connections necessary for accurate throttle position readings. The sensor is engineered to meet OEM specifications for a range of GM vehicles, including Buick Century, Cadillac Calais, Chevrolet Cavalier, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix.

Detailed Product Description

The Standard Ignition TH40 throttle position sensor monitors the position of the throttle valve in the engine’s intake system. It converts the mechanical position into an electrical signal that the engine control unit (ECU) uses to regulate fuel injection and ignition timing. The sensor’s female connector and three male terminals ensure secure and stable electrical contact, minimizing signal loss or interference. This part is compatible with multiple GM models such as the Buick Regal, Cadillac Cimarron, Chevrolet Corsica, Oldsmobile Firenza, and Pontiac Skylark, making it a versatile replacement option.

Common Applications and Issues Addressed

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

Installation Notes and Tips

When installing the Standard Ignition TH40 throttle position sensor, ensure the female connector aligns properly with the vehicle’s wiring harness. Verify that all three male terminals are securely connected to avoid intermittent electrical issues. It is recommended to calibrate the sensor after installation according to the vehicle manufacturer’s service manual to ensure accurate throttle position readings. Use appropriate tools to avoid damaging the sensor or connector during installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The TH40 throttle position sensor undergoes rigorous quality control testing to ensure consistent operation. This part is backed by Standard Ignition’s limited warranty, covering defects in materials and workmanship under normal use conditions.