Ford Taurus Service Manual: Fuel Charging and Controls - 3.7L Ti-VCT

SPECIFICATIONS

Material

Ford Taurus. Engine

Torque Specifications

Ford Taurus. Engine

DESCRIPTION AND OPERATION

Fuel Charging and Controls

Component Locations

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.

NOTICE: Handle the fuel injectors and fuel rail with extreme care to prevent damage to the fuel inlet of the fuel rail, fuel injector sealing areas, and sensitive fuel-metering orifices.

3.7L Ti-VCT

Ford Taurus. Engine

Ford Taurus. Engine

FPCM

Ford Taurus. Engine

Ford Taurus. Engine

System Operation

REFER to the PC/ED manual section 1 Description and Operation.

Component Description

REFER to the PC/ED manual section 1 Description and Operation.

DIAGNOSIS AND TESTING

Fuel Charging and Controls

For PCM DTCs, REFER to Section 303-14, PCM DTC Chart. For driveability symptoms without DTCs, refer to the Powertrain Control/Emissions Diagnosis (PC/ED) manual, section 3 Symptom Charts.

REMOVAL AND INSTALLATION

Fuel Injectors

Removal and Installation

  1. The fuel injectors are serviced with the fuel rail. For additional information, refer to Fuel Rail.

Fuel Rail

Material

Ford Taurus. Engine

Removal and Installation

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: 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: Clean all fuel residue from the engine compartment. If not removed, fuel residue may ignite when the engine is returned to operation. 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: 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.

NOTE: Removal steps in this procedure may contain installation details.

  1. Release the fuel system pressure. For additional information, refer to Section 310-00.
  1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.
  1. Remove the upper intake manifold. For additional information, refer to Section 303-01D.
    • Tighten to 10 Nm (89 lb-in).

    Ford Taurus. Engine

  1. For additional information, refer to Section 310-00.

    Ford Taurus. Engine

    • Tighten to 10 Nm (89 lb-in).

    Ford Taurus. Engine

    Ford Taurus. Engine

  1. NOTE: Make sure that a new upper and lower fuel injector O-ring seals are installed.

    Discard the specified component. Follow local disposal regulations.

    Ford Taurus. Engine

  1. NOTICE: Use O-ring seals that are made of special fuel-resistant material. The use of ordinary O-rings seals can cause the fuel system to leak. Do not reuse the O-ring seals.

    NOTE: The upper and lower fuel injector O-ring seals are similar in appearance but are not interchangeable.

    NOTE: Install new fuel injector O-ring seals and lubricate them with clean engine oil.

    Apply the specified lubricant to the specified component.

    Ford Taurus. Engine

  1. To install, reverse the removal procedure.

Throttle Body

NOTE: Removal steps in this procedure may contain installation details.

  1. Remove the Air Cleaner (ACL) outlet pipe. For additional information, refer to Section 303-12.
    • Tighten to 10 Nm (89 lb-in).

    Ford Taurus. Engine

  1. NOTE: Make sure that a new TB gasket is installed.
    • Discard the specified component. Follow local disposal regulations.

    Ford Taurus. Engine

  1. To install, reverse the removal procedure.
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