Hey Scotty my name is Edgar, I have a 03 Nissan Altima 2.5s that cranks won't start 2 spark plugs…

Hey Scotty my name is Edgar, I have a 03 Nissan Altima 2.5s that cranks won't start 2 spark plugs were bad i changed all, a bad fuel pump I changed weeks ago car ran good now same cranks no start and I turn ign on i hear fuel pump turn on but no gas pumps thru it, could it be the car has a clogged fuel system line,injectors, or a bad new pump and if so how do I test it? Thank you so much

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