ME-SFI acceleration enrichment, function - GF07.61-P-3015AMG
ENGINE 156.980 in MODEL 164, 251 up to Model Year 8
ENGINE 156.982 in MODEL 209
ENGINE 156.983 in MODEL 211, 219
ENGINE 156.984 in MODEL 216, 221 up to Model Year 8
Dynamic enrichment prevents jerking when accelerating.
During fast opening of throttle valves the mixture leans out briefly and is enriched briefly during fast closing of the throttle valves. This results in mixture adaptation in which an additional or a reduced quantity of fuel is metered to the engine by the ME-SFI [ME] control unit depending on the performance map.
The ignition angle is also adjusted to "advanced" for acceleration.
Acceleration enrichment is dependent on:
- Coolant temperature
- Engine load
- load change rate
- Intake manifold length (variable intake manifold)
- Camshaft position
- Engine speed
- Correction programming with STAR DIAGNOSIS
| Component description for the fuel injection valves | Y62y1-Y62y8 | GF07.03-P-6010AMG |
| Component description for the camshaft Hall sensor | B6/4, B6/5, B6/6, B6/7 | GF07.04-P-6020AMG |
| Component description for the coolant temperature sensor | B11/4 | GF07.04-P-6040AMG |
| Component description for the crankshaft Hall sensor | B70 | GF07.04-P-6220AMG |
| Component description for the ME-SFI [ME] control unit | N3/10 | GF07.61-P-6000AMG |
| Component description for the hot film mass air flow sensor | B2/6, B2/7 | GF07.07-P-6000AMG |
| Component description for the variable intake manifold switchover valve | Y22/6 | GF09.20-P-6001AMG |
| Component description for the accelerator pedal sensor | B37 | GF30.20-P-2010AMG |
| Component description for ignition coils | T1/1-T1/8 | GF15.10-P-2100AMG |
| Component description for the throttle valve actuator | M16/3, M16/4 | GF30.20-P-2020AMG |