Ford Mustang (1999-2004) Service Manual: Fuel System (Description and Operation)

Component Location

Fuel System (Description and Operation)

 

Fuel System (Description and Operation)

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited, resulting in possible personal injury.

The vehicle:

  • uses a returnless fuel system.
  • is equipped with a multiport fuel injection (MFI) system.
  • uses separately controlled fuel injectors (9F593) for each cylinder. The fuel injectors are mounted to the intake manifold.
  • fuel injectors are supplied with pressurized fuel from the fuel pump (9350) through the fuel injection supply manifold (9D280).
  • fuel injection supply manifold is controlled by the electronic fuel delivery module which is enabled by the powertrain control module (PCM) (12A650).

Fuel System

Refer to the Powertrain Control/Emissions Diagnosis (PC/ED) manual.

    Fuel System - General Information
    General Specifications ...

    Pressure Relief
    Special Tool(s) Fuel Pressure Gauge 310-012 (T80L-9974-B) WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. ...

    Other materials:

    Valve - Seat Inspection
    Valve and Seat Refacing Measurements CAUTION: After grinding valves or valve seats, check valve clearance. 1. Check the valve head and seat. Check valve angles. Check margin width. Refer to the appropriate section in Group 303 for the procedure. ...

    Symptom Chart
    Condition Possible Sources Action Incorrect/erratic direction of airflow from outlet(s) No vacuum to A/C heater function switch selector. A/C heater function selector switch leaks vacuum. Kinked/pinched vacuu ...

    Torque Converter Diagnosis
    Prior to the installation of a new or remanufactured torque converter, all diagnostic procedures must be followed. This is to prevent the unnecessary installation of torque converters. Only after a complete diagnostic evaluation can the decision be m ...