fuel delivery problem

purplescamper said

the lowest point is the gas tank. last night I tried sucking out of a gas can trick BUT I left the pump output line hooked up, this time I did what you said and unhooked the output line and put the hose in an old metal can...it pumped, but when I put a pressure gage on it I got no reading

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If you got fuel pumping out an open line the gauge will not register because there is flow out the end

I wonder...If that is true...have we verified there was no fuel getting to the carb?
AND it's not just pouring out into the engine?

In order to verify the pump, run it for a measured time and the measure how many gallons you got, to calculate the GPH flow