Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Evaporative Emissions System: Description and Operation

Fig. 21 Vapor Hose Routing:





This system prevents fuel fumes from entering the atmosphere. Fuel fumes are stored in the charcoal canister while the engine is OFF. When the engine is started, the charcoal canister valve opens, which allows the fuel fumes to be drawn into the intake manifold to be burned during normal combustion.