Dorman 977-404 Throttle Position Sensor

Reliable Throttle Position Sensor for Hyundai and Kia Vehicles

The Dorman 977-404 throttle position sensor is designed to provide accurate throttle body feedback for select Hyundai and Kia models. This sensor ensures proper engine performance by monitoring the throttle position and sending precise signals to the vehicle's engine control unit.

• Constructed from durable black plastic for long-lasting use
• Throttle body mounted for direct and secure installation
• Features a 3-way female electrical connection with blade terminals
• Non-adjustable design for consistent and reliable operation
• Includes one throttle position sensor per package

Product Details and Specifications

The Dorman 977-404 throttle position sensor is specifically engineered to fit Hyundai Accent, Elantra, Sportage, Tiburon, Tucson, and Kia Spectra and Spectra5 models. Its black plastic housing offers resistance to heat and wear, while the throttle body mounting ensures precise placement for accurate throttle position readings. The sensor uses a 3-terminal blade type connection with a 3-way female electrical connector, facilitating straightforward integration with the vehicle’s wiring harness. This sensor is not adjustable, maintaining factory calibration for consistent throttle response.

Compatible Vehicles and Common Applications

This throttle position sensor is compatible with the following makes and models:

• Hyundai Accent
• Hyundai Elantra
• Hyundai Sportage
• Hyundai Tiburon
• Hyundai Tucson
• Kia Spectra
• Kia Spectra5

It is designed to address issues such as:

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

Installation Notes and Tips

Installation requires mounting the sensor directly to the throttle body using existing hardware. Ensure the electrical connector is securely attached to the 3-way female terminal to maintain proper signal transmission. Since this sensor is non-adjustable, no calibration is necessary after installation. It is recommended to disconnect the battery before installation to prevent electrical shorts and to clear any diagnostic trouble codes after replacement.

Quality Assurance and Warranty Information

Dorman manufactures the 977-404 throttle position sensor to meet or exceed OEM specifications for fit and function. While installation hardware is not included, the sensor is designed for direct replacement on compatible Hyundai and Kia models. Please refer to Dorman’s warranty policy for coverage details, which typically includes protection against defects in material and workmanship.