Sometimes it takes 10 times to start my excursion /what could be the problem? on 2001 Ford Excursion

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it acts like its not getting fuel,it takes 10 or more trys to get it to start.
(2) Answers
The fuel pump may be failing but your filter or injectors could be plugging up as well. Is the check engine light on?
Does it start then stall,if so it could be the iac motor.If it just cranks without firing,it could be the pump,crank sensor,and on and on.Does it do this 1st thing in the morning/cold start,or hot?