Standard Ignition TH309 Throttle Position Sensor

Reliable Throttle Position Sensor for Select Ford, Kia, Mazda, Mercury, and Toyota Models

The Standard Ignition TH309 throttle position sensor is designed to provide accurate throttle position readings for improved engine performance. Compatible with various Ford, Kia, Mazda, Mercury, and Toyota vehicles, this sensor helps maintain optimal fuel delivery and engine response.

• Compatible with Ford, Kia, Mazda, Mercury, and Toyota vehicles including 4Runner, Camry, Miata, Supra, and more
• Part number TH309 ensures precise fit and function
• Measures throttle valve position to optimize engine control
• Durable construction for consistent performance
• Direct replacement sensor for emission control systems

Product Details and Compatibility

The Standard Ignition TH309 throttle position sensor is engineered to meet OEM specifications for a range of vehicles such as the Toyota 4Runner, Camry, Land Cruiser, and Supra, as well as the Mazda Miata, MX-3, and Protege. It also fits Ford Escort and Pickup models, Kia Sephia, and Mercury Tracer. This sensor accurately monitors the throttle valve angle, sending real-time data to the engine control unit (ECU) to regulate fuel injection and ignition timing. Using the correct sensor like the TH309 helps maintain smooth acceleration and efficient engine operation.

Common Applications and Problem Resolution

• Corrects erratic idle or stalling issues caused by faulty throttle position readings
• Resolves hesitation or poor acceleration problems
• Helps eliminate check engine light triggers related to throttle sensor faults
• Improves fuel economy by providing accurate throttle data
• Supports emission control by ensuring proper air-fuel mixture

Installation Notes and Tips

Installation of the Standard Ignition TH309 throttle position sensor requires basic mechanical skills and standard hand tools. Before installation, disconnect the vehicle battery to prevent electrical shorts. Ensure the sensor is aligned correctly on the throttle body and securely fastened. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool if available. Refer to the vehicle’s service manual for torque specifications and detailed procedures.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The TH309 throttle position sensor undergoes rigorous testing to ensure durability and reliable performance. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.