Fuel System
WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
The fuel system consists of the following components:
- fuel filter
- fuel injectors
- fuel level sensor and pump
- fuel supply manifold
- fuel tank
- inertia fuel shutoff (IFS) switch
- fuel injection pressure sensor
WARNING:
Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and can be ignited, resulting in possible personal injury.
The vehicle:
- uses an electronic returnless fuel system.
- is equipped with a sequential multiport fuel injection (MFI) system.
- has a fuel injection supply manifold.
- uses separately controlled fuel injectors for each cylinder. The fuel injectors are mounted to the intake manifold.
- fuel injectors are supplied with pressurized fuel from the fuel pump through the fuel injection supply manifold.
- has a fuel tank filler pipe assembly which cannot be modified in any way and is serviced only by replacement with a new filler pipe assembly.
- has a fuel injection pressure sensor which monitors the fuel pressure during running and key on/engine off conditions.