Car turns over fine wont start no anti theft light blinking at all it comes on on 2004 Chevrolet Malibu

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The antitheft light doesn't stay on or blink
But I'm not getting fuel to fuel rail tank is half full so iknow there's gas should I replace fuel pump or what? I'm a do it myself type person so ill do the labor is there anything else it could be?
(2) Answers
What is the fuel pressure readings? Fuel is not the only thing required. Do you have ignition spark?
Need to scan it with a real scanner not a code reader.
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