Bad Fuel Pump? or....

RedFish said

Betcha if you start it every day it fires right up with only one push to the floor setting the choke. If so the problem is today fuel. It evaporates.

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I've thought of this, but it is not the case. I've let this car sit for months at a time and started it with only one pump. Usually, I can let the car sit for weeks at at time and start it with one pump and 2 tries with the ignition. Now, it is not starting at all, no matter how many times I pump the gas.