Re: Fuel Tank Pressure
^^^ yes...and the carburetor that gets 100 mpg...
c'mon- think about it...if the car gets additional gas from the vent, the closed loop control will just lean out the fuel injection achieving stoich fuel mixture either way.
As far as the tank vapor vent...back in the old days it either went to the atmosphere or into your oil before they had PCV valves.
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