Fuel Metering System
The fuel metering system is made up of the following:
- Fuel supply components (fuel tank, pump, filter, regulator and lines).
- Fuel pump electrical circuit.
- Fuel rail assembly, including:
- Fuel injectors
- Pressure regulator
- Throttle body assembly.
- Idle air control (IAC) valve.
- Throttle poistion (TP) sensor.