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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Removal, Overhaul & Installation >> Fuel System >> Fuel Rails & Injectors >> Removal & Installation (Millenia 2.3L)

Removal & Installation (Millenia 2.3L)

  1. Disconnect negative battery cable. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove dynamic chamber cover. Remove air intake ducts and air cleaner assembly.
  2. Remove left and right Charge Air Coolers (CAC). Remove air intake pipes. Disconnect accelerator cable. Disconnect fuel injector harness connectors. Disconnect vacuum and fuel hoses. See FUEL LINE CONNECTORS (MIATA, MILLENIA, MPV, PROTEGE, PROTEGE5 & 626) . Remove fuel rail, injectors and pressure regulator as an assembly.
  3. Remove insulators, injectors and "O" rings from fuel rail. To install, reverse removal procedure. Install NEW injector insulators. Ensure insulators are pressed in fully and not twisted or bent. Apply coating of engine oil to NEW "O" rings and install on fuel accumulator, fuel injectors and fuel pressure regulator. Ensure injector alignment tab is aligned to notch in fuel rail. Tighten fuel rail mounting bolts to specification. See TORQUE SPECIFICATIONS .
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