Throttle Opener
WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
Run engine at operating temperature. Ensure idle speed is 650-750 RPM. Disconnect vacuum hose from throttle opener, and plug hose. Run engine at 2500 RPM, then release throttle. Compare actual engine speed with specified engine speed. See THROTTLE OPENER SET SPEED SPECIFICATIONS table. If engine speed is not as specified:
- Replace throttle body.
THROTTLE OPENER SET SPEED SPECIFICATIONS
| Application | RPM |
|---|---|
| SC300 | 1100-1900 |