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A loose connection on the sending unit could cause the problem but also moisture in the tank in cold weather could also be a factor in which i would add fuel line antifreeze to a full tank of fuel..........Hope this helps you out.
Check the fuel pump for pressure by removing the send line from the fuel filter and ranking the car. Place the line in an empty 2 liter soda bottle and have a friend crank the engine a couple of times to see if the pump sends fuel. If not, replace the fuel pump an replace the filter since you will have a line removed already.
chevy and gmc trucks have an on going problem with this,turn the key on,and get a rubber mallot or a hammer and hit the bottom of the fuel tank a couple of times,this will unstick something in the fuel pump/sending unit.
The reason is:
When you completely run out of gas your gas lines are completely
drained of fuel. When you refuel the car the fuel lines are still
empty, and you will need to crank the car until the fuel pump has
filled the gas lines and established the correct fuel pressure.I also suggest you turn key to on position to let electrical system run fuel pump and when ready to crank over engine have battery hooked up to a battery charger this should do it!!
if the tank was completly emptyyou will need to turn the key on without cranking it several times befor trying to start so it can load the fuel lines and injectors.if that doesn't work.you'll need to change the inline fuel filter because it probaly sucked allthe trash up at the bottom of your tank.make sure you hear a slight humming niose when turning the key the 1'st few times that tells you the fuel pump itself is working.hope this helps please rate this.thank's