9-5 Sport Wagon (9600) L4-2.3L Turbo (B235) (2003)
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Evaporative Check Valve: Description and Operation
Float Valve
There is a line connecting the float valve with the emission canister. The float valve prevents fuel in a liquid state from reaching the emission canister.
When refuelling, the vapors in the tank are forced through the float valve and into the emission canister.
A spring-loaded float closes the valve when the tank is full or if the car rolls over.
