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ME-SFI part load/full load operation function - GF07.61-P-3016AM

ENGINE 113.990 in MODEL 211, 219 

ENGINE 113.991 in MODEL 215, 220 

ENGINE 113.992 in MODEL 230 

ENGINE 113.993 in MODEL 463 

ENGINE 113.995 in MODEL 230 

Fig 1: ME-SFI Part Load/Full Load Operation Function Diagram
G04839901

Partial load operation: 

When the engine is at operating temperature, optimal exhaust emission values and low-cost fuel consumption are assured with the lambda control function.

Full load operation 

The maximum engine torque is achieved when the throttle valve is fully open, the recirculated air flap is closed and switched on compressor. The injection time is extended appropriately by the ME-SFI [ME] control unit to do this.

About 10 to 90% slewing range is defined as partial load at the accelerator pedal sensor and more than about 90% slewing range as full load.

The relevant quantity of fuel is metered to the engine in line with the performance map.

The amount of fuel injected (injection time) is dependent on:

  Fuel injection valve - location/task/design/function   GF07.03-P-5004KE
  O2 sensors - location/task/design/function   GF07.04-P-4103AM
  Crankshaft position sensor - location/task/design/function   GF07.04-P-4116AM
  Pressure sensor - location/task/design/function   GF07.04-P-5014AM
  Coolant temperature sensor - location/task/design/function   GF07.04-P-5026AM
  Charge air temperature sensor - location/task/design/function   GF07.04-P-5039AM
  ME-SFI control unit - location/task/design/function   GF07.61-P-5000AM 
  Recirculated air flap actuator Location/task/design/function Except model 230 up to 06/2002 GF09.50-P-3101AM
  Accelerator pedal sensor, location/task/design/function   GF30.20-P-4010HA
  Throttle valve actuator - location/task/design/function   GF30.22-P-4101AM