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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1174 (Fuel System - General Information - 2.0L ECOBOOST (177KW/240PS) - Mi4) >> General Procedures >> Fuel System Pressure Check

Fuel System Pressure Check

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Special Tool(s) / General Equipment 

GFD229491Courtesy of FORD MOTOR COMPANY
 310-D009 (D95L-7211-A) Fuel Pressure Test Kit

Materials 

Name Specification
Motorcraft ® Silicone Brake Caliper Grease and Dielectric Compound XG-3-A ESE-M1C171-A

Check 

NOTE: This Fuel System Pressure Check is for the low pressure side of the system.
  1. NOTE: Do not pull the engine appearance cover forward or sideways to remove. Failure to press straight upward on the underside of the cover at the attachment points may result in damage to the cover or engine components.

    1. Place your hand under the engine appearance cover at each grommet location and push straight up to release each grommet from the studs.
    2. After all of the grommets have been released from the studs, remove the appearance cover from the engine.

    GFD227498Courtesy of FORD MOTOR COMPANY
  2. NOTE: When removing or installing the high-pressure fuel pump noise insulator, spreading the openings will reduce the risk of damage.

    Disconnect the electrical connector and remove the high-pressure fuel pump noise insulator.

    GFD228476Courtesy of FORD MOTOR COMPANY
  3. Release the fuel system pressure. Refer to: Fuel System Pressure Release .
  4. Disconnect the battery ground cable. Refer to: Battery Disconnect and Connect .
  5. Remove the air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe .
  6. Disconnect the fuel jumper tube-to-high pressure pump quick release coupling. Refer to: Quick Release Coupling .
    GFD228477Courtesy of FORD MOTOR COMPANY
  7. Install the Fuel Pressure Test Kit between the fuel jumper tube and the high pressure fuel pump. Use Special Service Tool: 310-D009 (D95L-7211-A) Fuel Pressure Test Kit.
    GFD229492Courtesy of FORD MOTOR COMPANY
  8. NOTE: The FPDM electrical connector was previously disconnected to release the fuel system pressure and must be reconnected to test the fuel system pressure.

    Reconnect the FPDM electrical connector.

  9. Install the air cleaner outlet pipe. Refer to: Air Cleaner Outlet Pipe .
  10. Connect the battery ground cable. Refer to: Battery Disconnect and Connect .
  11. NOTE: Carry out a Key ON Engine OFF (KOEO) visual inspection for fuel leaks prior to completing the fuel system pressure test.
    NOTE: After completion of the fuel system pressure test, open the drain valve on the Fuel Pressure Test Kit and release any residual fuel into a suitable container prior to removing the tool.

    Test the fuel system pressure to make sure it is within the specified range. Refer to: Specifications .

    1. NOTE: Lubricating the grommets with silicone grease will aid in the installation of the engine appearance cover, and any future removal and installation of the cover.

      Lubricate each grommet with silicone grease.

      Material: Motorcraft ® Silicone Brake Caliper Grease and Dielectric Compound / XG-3-A (ESE-M1C171-A)

    2. Position the engine appearance cover onto engine with the grommets aligned with the studs.
    3. Press down on the engine appearance cover at each grommet location to attach the grommets onto the studs.
GFD227516Courtesy of FORD MOTOR COMPANY
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