My brother has a 2001 grand am 3.4dohc and his car isnt starting. He has fuel pressure at the rail on the pressure test valve but car doesnt fire. If fuel is added in the intake manually it runs but soon after starves for fuel. The car drove to where it sits now it was running and after he turned it off that was it. We have already replaced the pump, we can eliminate spark because it runs when fuel is added, we have pressure at the rail so what the hell am i missing? Any input greatly appriciated
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