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vented fuel tank cap


jboulukos

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There is no advantage to using a vented gas cap. If your system is in working order the tank has a designed in dedicated vent pipe to the charcoal canister by the engine so it already has a can breath. This system collects evaporated gas fumes and keeps them out of the environment and any chance of getting back into the car. When the engine is started the fumes are drawn into the intake manifold and burned in the engine. No sense wasting that stuff.

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On 10/31/2022 at 8:44 PM, datzenmike said:

There is no advantage to using a vented gas cap. If your system is in working order the tank has a designed in dedicated vent pipe to the charcoal canister by the engine so it already has a can breath. This system collects evaporated gas fumes and keeps them out of the environment and any chance of getting back into the car. When the engine is started the fumes are drawn into the intake manifold and burned in the engine. No sense wasting that stuff.

My B210 will smell like gas inside the cabin, which I like.  I know the gas tank is right behind the rear seatback.  Do you think the vented cap may decrease the gas smell in the car's cabin?  It usually is more smelling of gas the longer it has been sitting.

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