Did you check the actual voltage reading to fuel injectors? I wondered about a voltage drop? Your fuel pump relay supplies voltage to both fuel pump and fuel injectors.
In the diagram, the gray wire is voltage and the other color is ground controlled by computer. Did you check fuel injectors, individually?I'd want to use a gage and check proper fuel pressure. Fuel--spark--compression--timing. There are other ways to get fuel in the engine besides fuel injectors, Just to see if engine will hit? There are safety issues, safety is your responsibility.
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