Standard Ignition TH143 Throttle Position Sensor

Overview of Standard Ignition TH143 Throttle Position Sensor

The Standard Ignition TH143 Throttle Position Sensor is designed to provide accurate throttle position data for optimal engine performance. This sensor is compatible with various Chrysler, Dodge, Jeep, and Plymouth models, ensuring reliable fitment and function.

• Connector Gender: Female
• Connector Quantity: 1
• Terminal Gender: Male
• Terminal Quantity: 3
• Part Number: TH143

Technical Details and Compatibility

This throttle position sensor features a female connector with a single connection point and three male terminals, designed to interface precisely with the vehicle’s wiring harness. The TH143 is engineered to meet OEM specifications for emission control sensors, making it suitable for models such as the Chrysler Caravan, Dodge Dakota, Jeep Grand Cherokee, and Plymouth Sundance. Its design supports accurate throttle position readings, which are critical for engine control modules to regulate fuel injection and ignition timing.

Applications and Problem Resolution

The Standard Ignition TH143 sensor is used to monitor the throttle valve position and relay this information to the engine control unit. It helps address issues such as:

• Erratic engine idling
• Poor acceleration response
• Check engine light related to throttle position faults
• Reduced fuel efficiency
• Stalling or hesitation during throttle input

Installation Notes and Tips

When installing the TH143 throttle position sensor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Align the sensor properly with the throttle body mounting points and secure it without over-tightening. Verify the connector is fully seated with the female connector engaging the male terminals firmly. After installation, clear any diagnostic trouble codes and perform a throttle position sensor calibration if required by the vehicle’s service manual.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for durability and performance. The TH143 throttle position sensor undergoes rigorous testing to ensure consistent operation under various driving conditions. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship for a specified period.