Fuel System & Engine Control System Ford Five Hundred I

GENERAL SPECIFICATIONS

GENERAL SPECIFICATIONS

TORQUE SPECIFICATIONS

TORQUE SPECIFICATIONS

Sequential Multiport Fuel Injection (SFI)

The fuel charging and controls system consists of the

1. throttle body.
2. fuel injectors.
3. fuel rail.
4. fuel rail pressure and temperature sensor.
5. fuel pump driver module.

The fuel charging and controls system is

1. a sequential multiport fuel injection (SFI) system.
2. pulse width modulated.
3. mass air flow-controlled.

Fuel is metered into each intake port in a sequential firing order. Fuel injectors pulse to follow engine firing order, in accordance with engine demand on a tuned intake manifold.

The powertrain control module (PCM) controls the fuel injection system. Injector pulse width is varied to control the amount of fuel flow. Varying fuel pump output controls fuel pressure. The PCM commands the fuel pump driver module, which directly controls the fuel pump. The throttle body is electronically controlled by the engine management system (EMS). Throttle plate angle is changed electronically in response to throttle pedal movements initiated by the driver.

Throttle Body

The throttle body

1. controls air supply to the intake manifold by electronically positioning the throttle plate.
2. is not adjustable.
3. must not be cleaned.
4. is serviced as a complete assembly only.

For additional information, refer to THROTTLE BODY .

Fuel Injectors

The fuel injectors

1. are electronically operated by the PCM.
2. atomize the fuel as the fuel is delivered.
3. each have an internal solenoid that opens a needle valve, which injects fuel into the intake port in the cylinder head.
4. are deposit resistant.

For removal and installation, refer to FUEL RAIL .

Fuel Rail

The fuel rail

1. receives fuel from the fuel supply tube.
2. delivers fuel to the fuel injectors.

For removal and installation, refer to FUEL RAIL .

Fuel Rail Pressure and Temperature Sensor

The fuel rail pressure and temperature sensor

1. measures the pressure and temperature of the fuel rail and sends these signals to the PCM.
2. uses intake manifold vacuum as a pressure reference.

For removal and installation, refer to ELECTRONIC ENGINE CONTROLS .

Fuel Pump Driver Module

The fuel pump driver module

1. receives signals from the PCM.
2. duty cycles the fuel pump to adjust fuel pressure in the fuel rail to match engine demand.

Fuel Charging and Controls

Refer to the INTRODUCTION - GASOLINE article .

Scheme 1

Removal and Installation

1. Remove the air cleaner outlet pipe. For additional information, refer to «INTAKE AIR DISTRIBUTION & FILTERING»(/ford/five-hundred/i-2004-2007/remont/removal-installation/#intake-air-distribution-system-filtering-system) .
2. Disconnect the electronic throttle body coolant feed and return hoses. Disconnect the coolant hoses. Plug the coolant hoses.
3. Disconnect the electronic throttle body electrical connector.
4. Remove the bolts and the throttle body. To install, tighten to 10 Nm (89 lb-in).
5. Remove and discard the throttle body gasket.
6. Clean and inspect the sealing surfaces.
7. To install, reverse the removal procedure. Install a new throttle body gasket.

Scheme 2

1. Remove the lower intake manifold. For additional information, refer to «ENGINE»(/ford/five-hundred/i-2004-2007/remont/mechanical/#engine) .
2. Disconnect the fuel rail pressure and temperature sensor electrical connector.
3. Disconnect the 6 fuel injector electrical connectors.
4. Detach the fuel charging wiring harness from the lower intake manifold assembly.
5. To install, reverse the removal procedure.

Material

MATERIAL CHART

Scheme 3

1. Remove the lower intake manifold. For additional information, refer to «ENGINE»(/ford/five-hundred/i-2004-2007/remont/mechanical/#engine) .
2. Disconnect the fuel rail pressure and temperature sensor electrical connector.
3. Disconnect and remove the vacuum harness.
4. Remove the 4 fuel rail bolts. To install, tighten to 10 Nm (89 lb-in).
5. Separate the fuel rail and fuel injectors from the lower intake manifold.
6. Disconnect the 6 fuel injector electrical connectors.
7. Detach the fuel charging wiring harness from the lower intake manifold assembly.
8. Remove the retaining clips and fuel injectors from the fuel rail.
9. Remove and discard the fuel injector O-ring seals.
10. To install, reverse the removal procedure. Lubricate the new O-ring seals with clean engine oil prior to installation.

Fuel Pump Driver Module (FPDM)

Note. Five Hundred shown, Freestyle similar.

Scheme 4

1. Disconnect the battery ground cable. For additional information, refer to «BATTERY, MOUNTING AND CABLES»(/ford/five-hundred/i-2004-2007/remont/charging-system/#battery-mounting-and-cables) .
2. Remove the rear seat cushion and the rear corner backrest. For additional information, refer to «SEATING»(/ford/five-hundred/i-2004-2007/remont/seats/#seat-system) .
3. Remove the C-pillar trim panel. For additional information, refer to «INTERIOR TRIM AND ORNAMENTATION»(/ford/five-hundred/i-2004-2007/remont/exteriorinterior-trim/#interior-trim-and-ornamentation) .
4. Disconnect the fuel pump driver module (FPDM) electrical connector.
5. Remove the 2 nuts and the FPDM. To install, tighten to 5 Nm (44 lb-in).
6. To install reverse the removal procedure.

See also:
• ELECTRONIC ENGINE CONTROLS
• INTRODUCTION - GASOLINE
• INTAKE AIR DISTRIBUTION & FILTERING
• ENGINE
• BATTERY, MOUNTING AND CABLES
• SEATING
• INTERIOR TRIM AND ORNAMENTATION
• THROTTLE BODY
• FUEL RAIL