740 L4-2320cc 2.3L DOHC B234F (Can) (1992)
Engine Control Module: Description and Operation
Multiport Fuel Injection (MFI) System LH 2.4
Design and function
Multiport Fuel Injection (MFI) system LH 2.4
The MFI system can be divided into five sub-systems.
^ The control system controls fuel and air quantities In order to provide the optimum fuel mixture and correct Idle speed.
^ The sensor system gives information to the control system in order to provide optimum control.
^ The fuel distribution system is controlled by the control system and distributes fuel to the cylinders.
^ The evaporative emission (EVAP) system manages the gases evaporating from the fuel tank (not B 204 E/FT/GT).
^ The on-board diagnostic (OBD) system is common to the fuel system and DI system. It has three test functions to facilitate fault tracing. The
OBD system is described at the end of the section Design and function.
Sensor system