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Standard Ignition TH263 Throttle Position Sensor
Overview of Standard Ignition TH263 Throttle Position Sensor
The Standard Ignition TH263 throttle position sensor is designed for precise throttle monitoring in select Lexus and Toyota vehicles. This sensor ensures accurate throttle input data, supporting optimal engine performance and emission control.
- Compatible with Lexus GS400, LS400, LX470 and Toyota Land Cruiser, Sequoia, Tundra models
- Part number TH263 for easy identification and replacement
- Measures throttle valve position to regulate fuel injection and ignition timing
- Direct replacement sensor engineered to meet OEM specifications
- Supports emission control system functionality
Detailed Product Description
The Standard Ignition TH263 throttle position sensor is an essential component in the emission control system, providing real-time data on the throttle valve position to the engine control unit (ECU). This sensor is compatible with various Lexus and Toyota models, including the GS400, LS400, LX470, Land Cruiser, Sequoia, and Tundra. By accurately detecting throttle position, the TH263 helps maintain proper air-fuel mixture and engine timing, which is critical for efficient engine operation and emissions compliance.
Common Applications and Issues Addressed
- Irregular or unstable engine idle
- Poor acceleration response or hesitation
- Check engine light related to throttle position sensor faults
- Reduced fuel efficiency due to incorrect throttle data
- Engine stalling or surging during throttle changes
Installation Notes and Tips
- Ensure vehicle compatibility with Lexus GS400, LS400, LX470, Toyota Land Cruiser, Sequoia, or Tundra before installation
- Disconnect the battery before sensor replacement to prevent electrical issues
- Handle the sensor carefully to avoid damage to the electrical connector and sensor housing
- Calibrate or reset the ECU if required after installation to ensure proper sensor function
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TH263 throttle position sensor undergoes rigorous quality control testing to maintain consistent accuracy and longevity. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.
| Brand | Standard Ignition |
| Part Number | TH263 |
| Connector Gender | Female |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Blade Terminals |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Toyota | Sequoia | N/A | w/o Lever | ||
| 2003 | Toyota | Tundra | 4.7L | V8 | N/A | w/o Lever |
| 2002 | Toyota | Land Cruiser | N/A | w/o Lever | ||
| 2002 | Toyota | Sequoia | N/A | w/o Lever | ||
| 2002 | Toyota | Tundra | 4.7L | V8 | N/A | w/o Lever |
| 2001 | Toyota | Land Cruiser | N/A | w/o Lever | ||
| 2001 | Toyota | Sequoia | N/A | w/o Lever | ||
| 2001 | Toyota | Tundra | 4.7L | V8 | N/A | w/o Lever |
| 2000 | Lexus | GS400 | N/A | w/o Lever | ||
| 2000 | Lexus | LS400 | N/A | w/o Lever | ||
| 2000 | Lexus | LX470 | N/A | w/o Lever | ||
| 2000 | Toyota | Land Cruiser | N/A | w/o Lever | ||
| 2000 | Toyota | Tundra | 4.7L | V8 | N/A | w/o Lever |
| 1999 | Lexus | GS400 | N/A | w/o Lever | ||
| 1999 | Lexus | LS400 | N/A | w/o Lever | ||
| 1999 | Lexus | LX470 | N/A | w/o Lever | ||
| 1999 | Toyota | Land Cruiser | N/A | w/o Lever | ||
| 1998 | Lexus | GS400 | N/A | w/o Lever | ||
| 1998 | Lexus | LS400 | N/A | w/o Lever; For Electronic Fuel Injection | ||
| 1998 | Toyota | Land Cruiser | N/A | w/o Lever |
* 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.