Pressure release

With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
- Remove the fasteners.
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- Remove the nuts.
  Torque: 53 lb.in (6 Nm)
- Remove the screw.
  Torque: 22 lb.in (2.5 Nm)
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Disconnect the fuel pump control module electrical connector.

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Start the engine and allow it to idle until it stalls.
After the engine stalls, crank the engine for approximately 5 seconds to make sure the fuel rail pressure has been released.
Turn the ignition switch to the OFF position.
Disconnect battery ground cable. Refer to: Battery Cables - 3.0L Ecoboost .
When the fuel system service is complete, reconnect the fuel pump control module electrical connector.

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- Install the fasteners.
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- Install the nuts.
  Torque: 53 lb.in (6 Nm)
- Install the screw.
  Torque: 22 lb.in (2.5 Nm)
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Reconnect battery ground cable. Refer to: Battery Cables - 3.0L Ecoboost .
Cycle the ignition key and wait 3 seconds to pressurize the fuel system. Check for leaks before starting the engine.
When service on the high pressure fuel system (high pressure pump, fuel injectors and fuel rail) is completed, start the engine and check for leaks.