Fuel Metering System

The SFI system consists of the following parts:

- The fuel supply system (fuel tank, pump, pipes)
- The fuel pump electrical circuit
- Intake manifold assembly, including the following items:

- The lower manifold assembly, including the following items:

- The SFI fuel injectors
- The fuel pressure regulator assembly

- The upper manifold assembly, including the following items:

- The throttle valve
- The Idle Air Control (IAC) valve
- The Throttle Position (TP) sensor.