Explorer Sport Trac 4WD V8-4.6L (2008)
Fuel Pressure Release: Service and Repair
FUEL SYSTEM PRESSURE RELEASE
WARNING:
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Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly
flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
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Before working on or disconnecting any of the fuel tubes or fuel system components, relieve the fuel system pressure to prevent accidental
spraying of fuel. Fuel in the fuel system remains under high pressure, even when the engine is not running. Failure to follow this
instruction may result in serious personal injury.
1. NOTE: The front passenger door frame scuff plate is retained only by internal metal clips.
Remove the front passenger door frame scuff plate.
2. NOTE:
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The front passenger door side interior kick panel is retained only by internal metal clips.
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It may be necessary to reposition the lower end of the door jam weather stripping to remove the front passenger door side interior kick panel.
Remove the front passenger side interior kick panel.
3. Disconnect the inertia fuel shutoff (IFS) switch electrical connector.
4. Start the engine and allow it to idle until it stalls.
5. After the engine stalls, crank the engine for approximately 5 seconds to make sure the fuel rail pressure has been released.
6. Turn the ignition switch to the OFF position.
7. When the fuel system service is complete, reconnect the IFS switch electrical connector.
8. NOTE: It may take more than one key cycle to pressurize the fuel system.
Cycle the ignition key and wait 3 seconds to pressurize the fuel system. Check for leaks before starting the engine.
9. Start the vehicle and check the fuel system for leaks.
10. Install the front passenger side interior kick panel.
11. Install the front passenger door frame scuff plate.
