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Home >> Ford >> 2018 >> Mustang EcoBoost, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls - Fuel Charging And Controls - 2.3L ECOBOOST (231KW/314PS) >> Removal And Installation >> Fuel Rail >> Removal

Fuel Rail: Removal

  1. Release the fuel system pressure. Refer to: Fuel System Pressure Release .
  2. Disconnect the battery. Refer to: Battery Disconnect and Connect .
  3. Remove the intake manifold. Refer to: Intake Manifold .
  4. Disconnect the high-pressure fuel pump electrical connector.
    GFD286883Courtesy of FORD MOTOR COMPANY
  5. NOTE: When removing or installing the high-pressure fuel pump noise insulator, spreading the openings will reduce the risk of damage.

    Remove the high-pressure fuel pump noise insulator.

    GFD286884Courtesy of FORD MOTOR COMPANY
  6. Disconnect the HO2S electrical connector retainer from the high-pressure fuel pump bracket.
    GFD286886Courtesy of FORD MOTOR COMPANY
  7. Remove the high-pressure fuel pump drive unit noise insulator retainer, remove the brake vacuum pump noise insulator retainer and remove the wire harness retainer. Remove the high-pressure fuel pump drive unit noise insulator and remove the brake vacuum pump noise insulator.
    GFD286887Courtesy of FORD MOTOR COMPANY
  8. NOTE: To release the fuel pressure in the high-pressure fuel tube, wrap the high-pressure fuel pump flare nut with a shop towel to absorb any residual fuel pressure during the loosening of high-pressure fuel pump flare nut.

    1. Remove the high-pressure fuel tube nut.
    2. Remove the high-pressure fuel tube bolt.
    3. Disconnect the high-pressure fuel tube flare nuts.
    4. Remove and discard the high-pressure fuel tube.

    GFD286888Courtesy of FORD MOTOR COMPANY
    • Detach the fuel rail electrical connector.

    • Detach the wiring harness retainers.

    • Remove the fuel rail insulator.

    GFD286914Courtesy of FORD MOTOR COMPANY
  10. Disconnect the fuel injector and the FRP sensor electrical connectors.
    GFD286915Courtesy of FORD MOTOR COMPANY
  11. NOTE: Pull out the fuel rails in the direction of the fuel injector axis or damage may occur to the fuel injectors.
    NOTE: Use compressed air and remove any dirt or foreign material from the cylinder head, block and general surrounding area of the fuel rail and injectors.
    NOTE: When removing the fuel rails, the fuel injectors may remain in the cylinder heads and require the use of a Fuel Injector Remover tool to extract. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.

    Remove and discard the bolts, then remove the fuel rails.

    GFD286916Courtesy of FORD MOTOR COMPANY
  12. Remove the fuel injectors from the fuel rail.
    GFD286917Courtesy of FORD MOTOR COMPANY
  13. Remove and discard the fuel injector clips.
    GFD286918Courtesy of FORD MOTOR COMPANY
  14. NOTE: Use minimal force to remove the fuel injectors that remained in the cylinder head with the Fuel Injector Remover tool or damage to the fuel injector assembly may occur. Wiggling the injector by hand to break it loose may allow the injector to be removed by hand.

    Using the special tools, remove any of the fuel injectors that remained in the cylinder head. Use Special Service Tool: 307-005 (T59L-100-B) Slide Hammer, 310-206 Remover, Fuel Injector.

    GFD286919Courtesy of FORD MOTOR COMPANY
  15. NOTE: Make sure to thoroughly clean any residual fuel or foreign material from the cylinder head, block and the general surrounding area of the fuel rails and injectors.
    NOTE: Do not use compressed air to clean the tip of the fuel injector.
    NOTE: Do not use a brush to clean the tip of the fuel injector.

    Using the special tool, clean the cylinder head fuel injector bores. Use Special Service Tool: 310-205 Fuel Injector Brush.

GFD286920Courtesy of FORD MOTOR COMPANY
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