Operation CHARM: Car repair manuals for everyone.

Evaporative Emissions System: Testing and Inspection

1. Disconnect the vacuum hose (red stripe) from the throttle body, and connect a vacuum pump to the vacuum hose.
2. Check the following points when the engine is cold (engine coolant temperature 60°C (140°F] or below) and when it is warm (engine coolant temperature 80°C [176°F] or higher).





When engine is cold





When engine is warm