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Home >> Mazda >> 1994 >> RX-7 Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Rails & Injectors >> Removal & Installation

Removal & Installation

  1. Release fuel system 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  . Install NEW manifold gaskets.
Fig 1: Exploded View Of Air Intake System (RX7)
G93D79510Courtesy of MAZDA MOTORS CORP.
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