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Home >> Mazda >> 1993 >> 323 Base, 1.6 2, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Rails & Injectors >> Removal & Installation (RX7)

Removal & Installation (RX7)

  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE  . Remove air intake duct. See Fig 1 . Remove throttle body. See THROTTLE BODY  .
  2. Remove upper intake manifold. Disconnect fuel hoses from fuel rail. Disconnect injector electrical connectors. Remove idle speed control solenoid. Remove fuel rail and injectors as an assembly. Remove insulators, injectors and "O" rings from fuel rail.
  3. To install, reverse removal procedure. Apply coat of engine oil to NEW "O" rings, and install rings on injectors. Install NEW insulators. Tighten fuel rail mounting nuts to specification. See TORQUE SPECIFICATIONS  table. Install NEW manifold gaskets.
Fig 1: Exploded View Of Air Intake System
G93D79510Courtesy of MAZDA MOTORS CORP.
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