Standard Ignition TH373 Throttle Position Sensor

Throttle Position Sensor for Ford, Mazda, and Kia

Standard Ignition TH373 is a throttle position sensor built for direct-fit service on select Ford, Mazda, and Kia applications. It uses a female plug-in connector with 3 male blade terminals to support a secure electrical connection at the throttle body.

Key Features

• Throttle position sensor for emission control system service
• Female connector with 1 plug-in connection point
• 3 male blade terminals for the vehicle harness interface
• Direct replacement format for select import and domestic applications
• Standard Ignition TH373 part number for catalog matching

Detailed Description

Standard Ignition TH373 is a throttle position sensor used to report throttle angle to the engine management system. Accurate throttle input is important for fuel delivery, idle control, transmission behavior, and emissions performance. This sensor is listed for 1986-1995 Mazda 323, 1990-1994 Mazda Protege, 1990-1993 Mazda Miata, 1992-1993 Mazda MX-3, 1993-1995 Ford Escort, 1988-1993 Ford Festiva, and 1994-1995 Kia Sephia. If you are sourcing a Standard Ignition TH373 replacement for a Mazda Miata or Ford Escort throttle position sensor repair, this part number helps narrow the correct application quickly.

This part cross-references 0B63018911 and E8GY9B989A for the same application.

What It Helps Address

• Erratic throttle signal readings
• Rough or unstable idle behavior
• Delayed throttle response
• Check engine light concerns related to throttle position input
• Driveability issues tied to incorrect throttle angle feedback

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. Compare the old sensor’s electrical connector and throttle body interface to the TH373 specifications to confirm a proper match. After installation, clear any stored diagnostic trouble codes and confirm throttle signal output with a scan tool or multimeter. For Mazda 323, Protege, and Miata applications, confirm the sensor is indexed correctly during setup to maintain accurate throttle readings.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for engine management and electrical components. TH373 is cataloged as a throttle position sensor for emission control service and is identified by established interchange references for application matching.