Ford Taurus Service Manual: Fuel System - General Information

SPECIFICATIONS

General Specifications

Ford Taurus. Fuel System

Ford Taurus. Fuel System

Torque Specifications

Ford Taurus. Fuel System

DESCRIPTION AND OPERATION

Fuel System

2.0L Gasoline Turbocharged Direct Injection (GTDI)

The fuel system:

  • is a variable speed Closed Loop Pressure Control (CLPC) Fuel System with Gasoline Turbocharged Direct Injection (GTDI).
  • uses a single container (L-shaped) fuel tank.
  • has a FP module that operates on 5.5 or 12 volts depending on load, that supplies fuel under pressure to the high pressure FP.
  • has a lifetime fuel filter (serviced as part of the FP module).
  • has an Easy Fuel TM (capless) fuel tank filler pipe assembly, which cannot be modified in any way and is serviced only by the installation of a new fuel tank filler pipe assembly.
  • has a supplemental refueling adapter located in the luggage compartment.
  • has a high pressure FP that supplies high pressure, low volume fuel pressure to the fuel rails.
  • has a FP control module located behind the rear seat backrest.
  • has fuel tubes (liquid and vapor) along with brake tubes mounted on the underside of the vehicle in a bundle.
  • has a high pressure fuel tube from the high pressure FP to the fuel rails.
  • uses separately controlled fuel injectors for each cylinder. The fuel injectors are mounted directly into the head.
  • fuel injectors are supplied with pressurized fuel from the high pressure FP to the fuel rail.
  • has a serviceable fuel level sender mounted on the FP module.

3.5L Gasoline Turbocharged Direct Injection (GTDI)

The fuel system:

  • is a variable speed Closed Loop Pressure Control (CLPC) Fuel System with Gasoline Turbocharged Direct Injection (GTDI).
  • uses a dual-container (saddle-type) fuel tank.
  • has a fuel level sensor assembly.
  • has a FP module that operates on 5.5 or 12 volts depending on load, that supplies fuel under pressure to the high pressure FP.
  • has a lifetime fuel filter (serviced as part of the FP module).
  • has an Easy Fuel TM (capless) fuel tank filler pipe assembly, which cannot be modified in any way and is serviced only by the installation of a new fuel tank filler pipe assembly.
  • has a supplemental refueling adapter located in the luggage compartment.
  • has a high pressure FP that supplies high pressure, low volume fuel pressure to the fuel rails.
  • has a FP control module located behind the rear seat backrest.
  • has fuel tubes (liquid and vapor) along with brake tubes mounted on the underside of the vehicle in a bundle.
  • has a high pressure fuel tube from the high pressure FP to the fuel rails.
  • has a Fuel Rail Pressure (FRP) sensor on the LH fuel rail.
  • has a FTP sensor (part of the fuel vapor tube assembly).
  • uses separately controlled fuel injectors for each cylinder. The fuel injectors are mounted directly into the head.
  • fuel injectors are supplied with pressurized fuel from the high pressure FP to the fuel rail.
  • has a serviceable fuel level sender mounted on the FP module.
  • has a serviceable fuel level sender mounted on the fuel level sensor assembly.

3.5L Ti-VCT

The fuel system:

  • is a 2-speed Mechanical Returnless Fuel System (MRFS) with sequential Multi-Port Fuel Injection (MFI).
  • uses either a single container (L-shaped) or a dual-container (saddle-type) fuel tank.
  • has a fuel level sensor assembly (saddle-type fuel tank).
  • has a Fuel Pump (FP) module that supplies fuel under pressure to the fuel rail.
  • has a lifetime fuel filter (serviced as part of the FP module).
  • has an Easy Fuel TM (capless) fuel tank filler pipe assembly, which cannot be modified in any way and is serviced only by the installation of a new fuel tank filler pipe assembly.
  • has a supplemental refueling adapter located in the luggage compartment.
  • has a FP module that operates on 10 or 12 volts depending on load, that supplies fuel under pressure to the fuel rail.
  • has a FP control module located behind the rear seat backrest.
  • has fuel tubes (liquid and vapor) along with brake tubes mounted on the underside of the vehicle in a bundle.
  • has a FTP sensor (part of the fuel vapor tube assembly).
  • uses separately controlled fuel injectors for each cylinder. The fuel injectors are mounted to the intake manifold and are supplied with pressurized fuel from the FP module to the fuel rail.
  • fuel rail pressure is controlled by the electronic FP module which is enabled by the PCM.
  • has a serviceable fuel level sender mounted on the FP module.
  • has a serviceable fuel level sender mounted on the fuel level sensor assembly (saddle-type fuel tank).

Fuel Pump (FP) Shut-off Feature

NOTE: Refer to the Description and Operation, Intelligent Access with Push Button Start in Section 419-01A to review the procedures for achieving the various ignition states (ignition OFF, ignition in ACCESSORY, ignition ON and ignition START) on vehicles with this feature.

In the event of a moderate to severe collision, the vehicle is equipped with a Fuel Pump (FP) shut-off feature that is initiated by the event notification signal.

The event notification signal is a signal provided by the Restraints Control Module (RCM) to the FP control module. Signal communication between the RCM and the FP control module allows the PCM to shut-off the FP.

Should the vehicle shut off after a collision due to this feature, the vehicle may be restarted by first turning the ignition to the OFF position and then turn the ignition to the ON position. In some instances the vehicle may not start the first time and may take one additional ignition cycle.

DIAGNOSIS AND TESTING

Fuel System

Symptom Chart: Fuel System

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to Section 100-00, Diagnostic Methods for information regarding Ford-specific diagnostic practices.

Symptom Chart: Fuel System

Ford Taurus. Fuel System

Pinpoint Tests

Slow to Fill

Diagnostic Overview

Slow to Fill

Normal Operation and Fault Conditions

Under normal operation, fuel should flow at a steady rate through the fuel tank filler pipe into the fuel tank. As fuel enters the fuel tank air is vented through the filler pipe or the ORVR system.

  • Fuel tank filler pipe vent tube, if equipped
  • Fuel tank filler pipe
  • EVAP system
  • Fuel tank inlet check valve (part of the fuel tank)
  • Fuel level vent valve, if equipped (part of the fuel tank)
  • Fuel system fresh air inlet

PINPOINT TEST A: Slow to Fill

Ford Taurus. Fuel System

Ford Taurus. Fuel System

Ford Taurus. Fuel System

GENERAL PROCEDURES

Fuel System Pressure Release

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTE: Refer to Description and Operation, Intelligent Access with Push Button Start in Section 419-01A to review the procedures for achieving the various ignition states (ignition OFF, ignition in ACCESSORY, ignition ON and ignition START) on vehicles with this feature.

All vehicles

  1. NOTE: The FPDM is mounted to the panel behind the RH rear seat backrest cushion.

    Fold RH rear seat back down and position aside the RH luggage compartment trim panel.

  1. Disconnect the FPDM electrical connector.

    Ford Taurus. Fuel System

  1. Start the engine and allow it to idle until it stalls.
  1. Turn the ignition to the OFF position.

Gasoline Turbocharged Direct Injection (GTDI) equipped vehicles

  1. NOTE: On vehicles equipped with Gasoline Turbocharged Direct Injection (GTDI), it is necessary to release the high pressure fuel system prior to disconnecting a low pressure fuel tube quick connect coupling.

    NOTE: To release the fuel pressure in the high pressure fuel tube, wrap the flare nut with a shop towel to absorb any residual fuel pressure during the loosening of the flare nut.

    Disconnect the high pressure fuel tube-to-fuel injection pump flare nut to release the fuel pressure.

    Ford Taurus. Fuel System

  1. Connect the high pressure fuel tube-to-fuel injection pump flare nut.
    • Tighten to 30 Nm (22 lb-ft).

    Ford Taurus. Fuel System

All vehicles

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

    Ford Taurus. Fuel System

  1. Reposition the RH luggage compartment trim panel and seat back.
  1. NOTE: It may take more than one ignition cycle to pressurize the fuel system.

    Cycle the ignition and wait 3 seconds to pressurize the fuel system.

  1. NOTE: Carry out an ignition ON engine OFF visual inspection for fuel leaks prior to starting the engine.

    Start the engine and check for leaks.

Fuel System Pressure Test

Special Tool(s)

Ford Taurus. Fuel System

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

 WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.

  1. Release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.
  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. Disconnect the fuel tube-to-fuel jumper tube quick connect coupling. For additional information, refer to Quick Connect Coupling in this section.

    Ford Taurus. Fuel System

  1. Install the Fuel Pressure Test Adapter and the Fuel Pressure Test Kit between the fuel tube and the fuel jumper tube.

    Ford Taurus. Fuel System

  1. NOTE: The Fuel Pump (FP) control module electrical connector was previously disconnected to release the fuel system pressure and must be reconnected to test the fuel system pressure.

    Connect the FP control module electrical connector.

    Ford Taurus. Fuel System

  1. Connect the battery ground cable. For additional information, refer to Section 414-01.
  1. NOTE: Carry out an ignition ON engine OFF visual inspection for fuel leaks prior to completing the fuel system pressure test.

    NOTE: After completing 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. For additional information, refer to Specifications in this section.

Fuel Tank Draining - L-Shaped

Special Tool(s)

Ford Taurus. Fuel System

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

 WARNING: 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. Release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.
  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. Remove the rear seat lower cushion. For additional information, refer to Section 501-10.
  1. Remove the Fuel Pump (FP) module access cover.

    Ford Taurus. Fuel System

  1. NOTE: Clean the FP module connections, couplings, flange surfaces and the immediate surrounding area of any dirt or foreign material.

    Disconnect the electrical connectors.

    Ford Taurus. Fuel System

  1. NOTE: Place absorbent toweling in the immediate surrounding area in case of fuel spillage.

    Disconnect the fuel tank jumper tube-to- FP module quick connect coupling. For additional information, refer to Quick Connect Coupling in this section.

    Ford Taurus. Fuel System

  1. Attach the Fuel Storage Tanker tube to the FP module outlet fitting and remove one fourth (approximately 5 gallons) of the fuel from a completely full tank, lowering the fuel level below the FP module flange.

    Ford Taurus. Fuel System

  1. NOTICE: Carefully install the Fuel Tank Sender Unit Wrench to avoid damaging the Fuel Pump (FP) module when removing the lock ring.

    NOTE: Make sure to install a new FP module O-ring seal.

    Install the Fuel Tank Sender Unit Wrench and remove the FP module lock ring.

    Ford Taurus. Fuel System

  1. NOTICE: The Fuel Pump (FP) module must be handled carefully to avoid damage to the float arm and filter.

    Position the FP module aside, insert the tube from the fuel storage tanker into the FP module aperture and remove as much fuel as possible from the fuel tank.

    Ford Taurus. Fuel System

Fuel Tank Draining - Saddle Type

Special Tool(s)

Ford Taurus. Fuel System

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

 WARNING: 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. Release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.
  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. Remove the rear seat lower cushion. For additional information, refer to Section 501-10.
  1. Remove the Fuel Pump (FP) module access cover.

    Ford Taurus. Fuel System

  1. If equipped, remove the 3 nuts and the FP module shield.
    • To Install, tighten to 9 Nm (80 Ib-In).

    Ford Taurus. Fuel System

  1. NOTE: Clean the FP module connections, couplings, flange surfaces and the immediate surrounding area of any dirt or foreign material.

    Disconnect the electrical connectors.

    Ford Taurus. Fuel System

  1. NOTE: Place absorbent toweling in the immediate surrounding area in case of fuel spillage.

    Disconnect the fuel tank jumper tube-to- FP module quick connect coupling. For additional information, refer to Quick Connect Coupling in this section.

    Ford Taurus. Fuel System

  1. Attach the Fuel Storage Tanker tube to the FP module outlet fitting and remove one fourth (approximately 5 gallons) of the fuel from a completely full tank, lowering the fuel level below the fuel level sensor flange.

    Ford Taurus. Fuel System

  1. Remove the fuel level sensor access cover.

    Ford Taurus. Fuel System

  1. NOTE: Clean the fuel level sensor connections, couplings, flange surfaces and the immediate surrounding area of any dirt or foreign material.

    Disconnect the fuel level sensor electrical connector.

    Ford Taurus. Fuel System

  1. NOTE: Carefully install the Fuel Tank Sender Unit Wrench to avoid damaging the fuel level sensor when removing the lock ring.

    NOTE: Place absorbent toweling in the immediate surrounding area in case of fuel spillage.

    NOTE: Make sure to install a new fuel level sensor O-ring seal.

    Install the Fuel Tank Sender Unit Wrench and remove the fuel level sensor lock ring.

    Ford Taurus. Fuel System

  1. Position the fuel level sensor aside, insert the tube from the Fuel Storage Tanker into the fuel level sensor aperture and remove as much of the remaining fuel as possible from the fuel tank.

    Ford Taurus. Fuel System

Quick Connect Coupling

Disconnect - Type I

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage can occur. Always install plugs to any open orifices or tubes.

NOTICE: Do not use any tools. The use of tools may cause a deformity in the clip components which may cause fuel leaks.

  1. NOTE: Always wrap the fuel line connection with a towel before diconnecting it.

    If servicing a liquid fuel tube quick connect coupling, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.

  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. NOTE: When reusing liquid or vapor tube quick connect couplings, make sure to use compressed air to remove any foreign material from the retaining clip area before disconnecting from the tube. Apply clean engine oil to the end of the tube before connecting the quick connect coupling.

    Spread the tabs of the retainer clip and pull it to the outward position in the quick connect coupling.

    Ford Taurus. Fuel System

  1. Depress the retainer clip and disconnect the quick connect coupling from the tube.

    Ford Taurus. Fuel System

Connect - Type I

  1. NOTE: Apply clean engine oil to the end of the tube and quick connect coupling O-ring seals.

    Install the quick connect coupling onto the tube until fully seated.

    Ford Taurus. Fuel System

  1. NOTE: Make sure the retainer clip is fully seated and locked onto the tube by pulling on the quick connect coupling.

    Press the retainer clip into the quick connect coupling body until flush and the legs are locked in place.

    Ford Taurus. Fuel System

  1. Connect the battery ground cable. For additional information, refer to Section 414-01.

Disconnect - Type II

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage can occur. Always install plugs to any open orifices or tubes.

NOTICE: Do not use any tools. The use of tools may cause a deformity in the clip components which may cause fuel leaks.

  1. NOTE: Always wrap the fuel line connection with a towel before diconnecting it.

    If servicing a liquid fuel tube quick connect coupling, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.

  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. NOTE: When reusing liquid or vapor tube quick connect couplings, make sure to use compressed air to remove any foreign material from the retaining clip area before disconnecting from the tube. Apply clean engine oil to the end of the tube before connecting the quick connect coupling.

    Squeeze the quick connect coupling retainer locking tabs to release the locking mechanism and push the locking mechanism outward to release the tube.

    Ford Taurus. Fuel System

  1. Remove the quick connect coupling from the tube.

    Ford Taurus. Fuel System

Connect - Type II

  1. Inspect and clean both quick connect coupling ends.
  1. Install the quick connect coupling onto the tube until fully seated.

    Ford Taurus. Fuel System

  1. NOTE: Visually inspect and verify that the locking mechanism is flush with the quick connect coupling housing and that the locking tabs are securely fastened.

    Depress the quick connect coupling locking mechanism into the locked position.

    Ford Taurus. Fuel System

  1. Pull on the quick connect coupling and the tube to make sure it is securely fastened.
  1. Connect the battery ground cable. For additional information, refer to Section 414-01.

Disconnect - Type III

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage can occur. Always install plugs to any open orifices or tubes.

NOTICE: Do not use any tools. The use of tools may cause a deformity in the clip components which may cause fuel leaks.

  1. NOTE: Always wrap the fuel line connection with a towel before diconnecting it.

    If servicing a liquid fuel tube quick connect coupling, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.

  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. NOTE: When reusing liquid or vapor tube quick connect couplings, make sure to use compressed air to remove any foreign material from the retaining clip area before disconnecting from the tube.

    Release the lock tab on the quick connect coupling.

    Ford Taurus. Fuel System

  1. Separate the quick connect coupling from the fitting.

    Ford Taurus. Fuel System

Connect - Type III

  1. Inspect and clean both quick connect coupling ends.
  1. Release the lock tab and install the quick connect coupling onto the fitting.

    Ford Taurus. Fuel System

  1. Apply the lock tab into the latched position.

    Ford Taurus. Fuel System

  1. Pull on the quick connect coupling to make sure it is securely fastened.
  1. Connect the battery ground cable. For additional information, refer to Section 414-01.

Disconnect - Type IV

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage can occur. Always install plugs to any open orifices or tubes.

NOTICE: Do not use any tools. The use of tools may cause a deformity in the clip components which may cause fuel leaks.

  1. NOTE: Always wrap the fuel line connection with a towel before diconnecting it.

    If servicing a liquid fuel tube quick connect coupling, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.

  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. NOTE: When reusing liquid or vapor tube quick connect couplings, make sure to use compressed air to remove any foreign material from the retaining clip area before disconnecting from the tube.

    Squeeze the quick connect coupling retainer locking tabs to release the locking mechanism and push the locking mechanism outward to release the tube.

    Ford Taurus. Fuel System

  1. Remove the quick connect coupling from the tube.

    Ford Taurus. Fuel System

Connect - Type IV

  1. Inspect and clean both quick connect coupling ends.
  1. Install the quick connect coupling onto the tube.

    Ford Taurus. Fuel System

  1. Pull on the quick connect coupling and the tube to make sure it is securely fastened.
  1. Connect the battery ground cable. For additional information, refer to Section 414-01.

Disconnect - Type V

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage can occur. Always install plugs to any open orifices or tubes.

NOTICE: Do not use any tools. The use of tools may cause a deformity in the clip components which may cause fuel leaks.

  1. NOTE: Always wrap the fuel line connection with a towel before diconnecting it.

    If servicing a liquid fuel tube quick connect coupling, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.

  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. NOTE: When reusing liquid or vapor tube quick connect couplings, make sure to use compressed air to remove any foreign material from the retaining clip area before disconnecting from the tube.

    Remove the quick connect coupling from the fitting.

    1. Depress the clip Into the quick connect coupling.
    1. Remove the quick connect coupling from the fitting.

    Ford Taurus. Fuel System

Connect - Type V

  1. Inspect and clean both quick connect coupling ends.
  1. Install the quick connect coupling onto the tube.

    Ford Taurus. Fuel System

  1. Pull on the quick connect coupling and the tube to make sure it is securely fastened.
  1. Connect the battery ground cable. For additional information, refer to Section 414-01.

Disconnect - Type VI

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage can occur. Always install plugs to any open orifices or tubes.

NOTICE: Do not use any tools. The use of tools may cause a deformity in the clip components which may cause fuel leaks.

  1. NOTE: Always wrap the fuel line connection with a towel before diconnecting it.

    If servicing a liquid fuel tube quick connect coupling, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.

  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. NOTE: When reusing liquid or vapor tube quick connect couplings, make sure to use compressed air to remove any foreign material from the retaining clip area before disconnecting from the tube.

    Remove the quick connect coupling from the fitting.

    1. Depress the clip into the quick connect coupling.
    1. Remove the quick connect coupling from the fitting.

    Ford Taurus. Fuel System

Connect - Type VI

  1. Inspect and clean both quick connect coupling ends.
  1. Install the quick connect coupling onto the tube.

    Ford Taurus. Fuel System

  1. Pull on the quick connect coupling and the tube to make sure it is securely fastened.
  1. Connect the battery ground cable. For additional information, refer to Section 414-01.

Spring Lock Couplings

Special Tool(s)

Ford Taurus. Fuel System

Disconnect

 WARNING: 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.

 WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment 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.

 WARNING: 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.

 WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube or damage to the tube or connector retaining clip can occur. Apply clean engine oil to the end of the tube before inserting the tube into the connector.

NOTICE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is observed when working with these components or component damage can occur. Always install plugs to any open orifices or tubes.

  1. If servicing a liquid fuel tube spring lock coupling, release the fuel system pressure. For additional information, refer to Fuel System Pressure Release in this section.
  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. Install the Spring Lock Coupling Disconnect Tool on the tube and push into the spring lock coupling to release.

    Ford Taurus. Fuel System

  1. Separate the spring lock coupling from the tube.

    Ford Taurus. Fuel System

Connect

  1. Align and push the spring lock coupling onto the tube until fully seated.

    Ford Taurus. Fuel System

  1. Pull on the coupling to make sure it is fully engaged.
  1. Connect the battery ground cable. For additional information, refer to Section 414-01.
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