Throttle Opener
WARNING: This page is about a different car, the 1995 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
Warm engine to normal operating temperature. Ensure idle speed is 650-750 RPM. Disconnect vacuum hose from throttle opener, and plug hose end. Run engine at 2500 RPM then release throttle. See THROTTLE OPENER SET SPEED SPECIFICATIONS table. If throttle opener set speed is not as specified:
- Replace throttle body.
THROTTLE OPENER SET SPEED SPECIFICATIONS
| Application | RPM |
|---|---|
| SC300 | 1100-1900 |