Fiat Spider Fuel Evaporative Emission Control System, 1981 On
The fuel evaporative emission control system is designed to prevent air pollution cased by evaporative losses from the fuel system. This system prevents the release of fuel vapors from the fuel tank into the atmosphere.
Vapors from the fuel tank flow into the activated charcoal carbon canister, where they are absorbed and stored when the engine is not operating.
When the engine is running, the fuel vapors retained in carbon canister are purged through a line which carries them to the intake manifold.
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