Fuel System: Notes
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The fuel system consists of the following components:
- Fuel and vapor tubes
- Fuel Pump (FP) module (located in the fuel tank)
- Fuel tank filler pipe assembly
- Fuel tank
- Fuel rail (located on the engine)
- Fuel injectors (located on the fuel rail)
The vehicle is equipped with a Multi-Port Fuel Injection (MFI) system. The fuel injectors are separately controlled and are mounted to the intake manifold. The fuel injectors are supplied with pressurized fuel from the FP module through the fuel rail. The 2 speed Mechanical Returnless Fuel System (MRFS) controls the FP module through the PCM. The fuel rail has a fuel pressure sensor which controls the pressure going to the fuel injectors. The fuel system is a 2-speed MRFS. The fuel system has a Fuel Pump Control Module (FPCM), which varies voltage to the FP based on fuel system demand.