Evaporative Emission Control System: Checking: Notes
- Disconnect the vacuum hose from the throttle body, and connect a vacuum pump to the vacuum hose.
- Plug the nipple connected to the vacuum hose.
- Check the following points when the engine is cold [engine coolant temperature 40°C (104°F) or below] and when it is warm [engine coolant temperature 80°C (176°F) or higher].