Injector
Idle Air Control Valve
(IACV)
Intake Air
Injection System
Cylinder Head
Intake Valve
Fuel Injection
Intake Port
Throttle Body ASM
Air Flow
IACV or TPS
MAP
RPM
To calculate air flow and
Injector
7
Temperature
air temp.
coolant temp.
...
ECU
necessary fuel flow
Fuel injection control