Lincoln Navigator: Fuel System - General Information - 3.5L EcoBoost (272kW/370PS) / Fuel System Pressure Release. General Procedures

Activation

1. Refer to: Gasoline and Gasoline-Ethanol Fuel Systems Health and Safety Precautions (100-00 General Information, Description and Operation).
   

1. With the vehicle in NEUTRAL, position it on a hoist.
   Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
   

1. NOTE: The FPDM is located on the LH outboard frame below driver door.

   Remove the FPDM cover by removing the fasteners and bolt.
   Torque: 133 lb.in (15 Nm)

1. Disconnect the FPDM electrical connector.
   

1. Start the engine and allow it to idle until it stalls.
   

1. After the engine stalls, crank the engine for approximately 5 seconds to make sure the fuel rail pressure has been released.
   

1. Turn the ignition switch to the OFF position.
   

1. When the fuel system service is complete, reconnect the FPDM electrical connector.
   

1. Install the FPDM cover.
   Torque: 133 lb.in (15 Nm)

1. Cycle the ignition key and wait 3 seconds to pressurize the fuel system. Check for leaks before starting the engine.
   

1. When service on the fuel system is completed, start the engine and check for leaks.