engine won't start on 1997 Toyota Camry

i replaced the whole engine from junk yard (45T miles), i tried to crank but won't start continuously, but when i prime gas at intake port, it runs shortly, i checked the fuel gallery and the bleeder it has enough pressure, checked the fuel injector and crank it , no fuel steam comes out, meaning the injectors are not opening while cranking, please help me to trouble shoot this problem and I'll appreciate it so much, thanks

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1 answer
Sounds like the injectors are not getting the proper signal. Is there 12 volts to them on the power bus? ONLY use a DVOM to check for this, NOT a test light or you can fry your computer. Or, there is a defective electrical circuit or the engine does not REALLY match your computer system. Best of Luck!