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Removal (300ZX)

  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE  under FUEL SYSTEM. Drain cooling system. Disconnect air duct, accelerator cable, PCV hose, air regulator hose, EGR tube and fuel hose.
  2. Disconnect negative battery cable. Remove intake manifold collector. Unplug injector wiring harness. Remove fuel pressure regulator, fuel rail and injectors as an assembly. Remove fuel injectors from fuel rail.
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