Standard TH159T Throttle Position Sensor

Throttle Position Sensor for GM Applications

The Standard TH159T throttle position sensor provides a direct-fit solution for vehicles that need accurate throttle angle feedback to the engine control system. Built from quality components for dependable operation, it is a practical replacement for GM cars such as the Buick LeSabre, Pontiac Grand Prix, and Chevrolet Impala.

Key Features

• Throttle Position Sensor for emission control and engine management systems
• Female connector with plug-in design for straightforward electrical connection
• 3 blade terminals with male terminal gender
• Built with quality components for dependable service
• Compatible with a wide range of 1995-2005 Buick, Chevrolet, Oldsmobile, and Pontiac models
• Standard TH159T cross-references Standard Ignition TH159 for the same application

Detailed Description

The Standard TH159T is a throttle position sensor used to report throttle movement to the vehicle’s control system. Accurate throttle input is important for fuel delivery, idle quality, transmission behavior, and overall drivability. This sensor is a fitment-based replacement for many GM platforms, including Buick LeSabre, Buick Park Avenue, Chevrolet Impala, Pontiac Bonneville, and Pontiac Grand Prix applications. The TH159T part number is also commonly searched as TH159T when comparing replacement options for these vehicles.

This part cross-references Standard Ignition TH159 for the same application.

What It Helps Correct

• Erratic or delayed throttle response
• Rough idle or unstable engine speed
• Throttle position signal faults stored by the engine computer
• Driveability concerns tied to incorrect throttle angle input
• Transmission shift issues caused by inaccurate throttle data

Installation Notes and Tips

Verify connector style, terminal layout, and mounting location before installation. The TH159T uses a female plug-in connector with 3 blade terminals, so matching the electrical interface is important for proper operation. Confirm vehicle application by year, make, and model before ordering, especially on GM platforms such as the Chevrolet Monte Carlo, Buick Regal, and Oldsmobile Intrigue. After installation, clear any stored diagnostic trouble codes and confirm throttle signal response with a scan tool if available.

Quality Assurance

Standard manufactures this sensor using quality components to support dependable performance in emission control applications. It is built for replacement use on confirmed fitments including 1995-2005 Buick Park Avenue, 1998-2005 Chevrolet Monte Carlo, and 1997-2004 Pontiac Grand Prix models.