Fuel Metering System

Fuel Meter Body Assembly:

PURPOSE
The fuel meter body assembly is mounted to the lower portion of the intake manifold. The assembly performs the following functions:

- Distributes fuel evenly to the injectors.
- Integrates the fuel pressure regulator into the fuel metering system.

FUEL METERING SYSTEM COMPONENTS
The fuel metering system consists of the following parts:

- The fuel supply components (fuel tank, pump, lines.)
- The fuel pump electrical circuit.
- The fuel meter body assembly which includes the following components:

- The SFI fuel injectors and poppet nozzles.
- The fuel pressure regulator.

- The upper manifold assembly which includes the following items:

- The throttle body.
- The Idle Air Control (IAC) valve.
- The Throttle Position (TP) sensor.
- The Manifold Absolute Pressure (MAP) sensor.