I NEED HELP. I am at wits end.(
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.My 92 nissan 240sx drove great. Then for reasons unknown my #1 injector died. I made arrangements to take it to a shop but when i tried starting it to take it there it refused to start. I have replaced the fuel filter, fuel pump, new plugs, wires, rotor, cap, distributor with built in camshaft possitioning sencor, upper wiring harness, and a few relays. I checked all fuses. and yet it still wont start. everything else works like it should, but the injectors wont spray. I have plenty of fuel pressure, spark, and power to injectors. Why wont they open up and spray.