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Home >> Mazda >> 1998 >> 626 ES, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System >> Fuel Rails & Injectors >> Removal (B3000)

Removal (B3000)

  1. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove throttle body and upper intake manifold assembly. See UPPER INTAKE MANIFOLD . Disconnect fuel supply and return lines.
  2. Disconnect wiring harness at fuel injectors. Disconnect vacuum hose from fuel pressure regulator. Remove fuel rail bolts. Carefully disengage fuel injectors by lifting and gently rocking rail.
  3. Remove injectors from fuel rail, using a slight lifting/rocking motion. Place removed components in a clean container to avoid dirt or other contamination.
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