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2002 Chevy Tahoe. The truck wants to start but goes dead?
Question edited for clarity.
Question moved to model category.
Did you disconnect the battery when you replaced the fuel pump?
Did you reset the security system and engine immobilizer?
Did you connect a pro grade scan tool and check for DTCs?
Not sure what you mean by 'cranks, then goes dead'?
It turns over than then next time you turn the key there is nothing, no noise, no clicks? Is the battery full charged?
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2001 Chevy Silverado hard starts runs and idles fine after started. Has new starter.
Sounds like you are possibly loosing fuel prime. One easy way to confirm is to cycle the key a couple of times in the morning to prime the system before trying to crank the engine. If it starts better then you have confirmed that the fuel system is loosing pressure when the truck sits. From here you have to determine if it is a bad pressure regulator or a bad injector letting fuel bleed by when the engine is off.
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