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Standard Ignition TH77 Throttle Position Sensor
Overview of Standard Ignition TH77 Throttle Position Sensor
The Standard Ignition TH77 throttle position sensor is designed for precise throttle monitoring in select Ford and Mazda vehicles. This sensor features a female connector and three male terminals, ensuring reliable electrical connections for accurate throttle position feedback.
- Connector Gender: Female
- Connector Quantity: 1
- Terminal Gender: Male
- Terminal Quantity: 3
- Compatible with Ford Aerostar, B4000, Explorer, Ranger and Mazda Navajo models
Technical Details and Compatibility
The TH77 throttle position sensor from Standard Ignition is engineered to meet OEM specifications for emission control sensors. It includes a single female connector with three male terminals, providing a secure and stable connection to the vehicle’s wiring harness. This sensor is compatible with Ford Aerostar, B4000, Explorer, and Ranger models, as well as the Mazda Navajo, making it suitable for vehicles requiring precise throttle position data to optimize engine performance and emissions.
Function and Application
This throttle position sensor is used to monitor the position of the throttle valve in the intake system. It sends real-time data to the engine control unit (ECU) to regulate fuel injection and ignition timing. The TH77 sensor helps address issues such as:
- Erratic or unstable idle speed
- Poor acceleration response
- Engine stalling or hesitation
- Check engine light related to throttle position faults
- Reduced fuel efficiency due to incorrect throttle readings
Installation Notes and Tips
When installing the Standard Ignition TH77 throttle position sensor, ensure the female connector aligns properly with the vehicle’s wiring harness. Verify that the three male terminals are securely seated to prevent electrical faults. It is recommended to disconnect the battery before installation to avoid electrical shorts. Calibration or relearning procedures may be required after installation depending on the vehicle’s ECU.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for durability and performance. The TH77 throttle position sensor undergoes rigorous testing to ensure reliable operation under normal driving conditions. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship for a specified period.
| Brand | Standard Ignition |
| Part Number | TH77 |
| Connector Gender | Female |
| Terminal Gender | Male |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Ford | Aerostar | 4.0L | V6 | N/A | ||
| 1995 | Ford | Explorer | N/A | OE No. F37F-BA | |||
| 1994 | Ford | Aerostar | 4.0L | V6 | N/A | ||
| 1994 | Ford | Explorer | N/A | ||||
| 1994 | Ford | Ranger | 4.0L | V6 | N/A | ||
| 1994 | Mazda | B4000 | 4.0L | V6 | N/A | ||
| 1994 | Mazda | Navajo | 4.0L | V6 | N/A | ||
| 1993 | Ford | Aerostar | 4.0L | V6 | N/A | ||
| 1993 | Ford | Explorer | N/A | ||||
| 1993 | Ford | Ranger | 4.0L | V6 | N/A | ||
| 1993 | Mazda | Navajo | 4.0L | V6 | N/A | ||
| 1992 | Ford | Aerostar | AWD | 4.0L | V6 | N/A | Compatible with vehicles equipped with Federal Emissions. |
| 1992 | Mazda | Navajo | 4.0L | V6 | N/A | ||
| 1991 | Mazda | Navajo | 4.0L | V6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.