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Home >> Chevrolet >> 1985 >> Spectrum 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Description
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Fuel Evaporation System: Description

The fuel evaporation system is designed to prevent fuel vapor, emitted from the fuel tank, to enter to atmosphere. The system is made up of a fuel tank pressure control valve, charcoal canister, vent switching valve (inside carburetor), thermal vacuum valve and connecting hoses.