I have an 02 Honda Accord EX 3.0 when you first start it it'll try to start if you let it set…

I have an 02 Honda Accord EX 3.0 when you first start it it'll try to start if you let it set overnight it'll start for just a second then it just turns over no more start I have listened an can hear fuel pump I have change the spark plugs check for fire to the coil packs also have changed the relay I have not yet check the fuel pressure nor checked pulse to the injectors what would you have in mind for me to check on this car it sounds like when you're trying to start it it's getting fire but it's not getting fuel have sprayed starter fluid in it still no start any help would be

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