Kris luebke def thea bennington6/3/2023 Thus, the engine management has precise information which group of cylinders to fire, and which group of injectors to spray. The crankshaft position sensor is sensing the movement of two radially opposed position plates on the flywheel, one of which is magnetized, and the other is not. Injectors work in pairs (idle, part load), or altogether (full-load).Ĭylinders are fired in pairs (dual fire) - 1 and 4 together, and 2 and 3 together. It is a speed-density type of system, as mixture formation is dependent on RPM, TPS angle, and manifold pressure (MAP). It produces 100 kW (136 PS 134 hp) of power and 190 Nm (140 lbft) of torque. It has a variant called the M111.921 which has a MAF (Mass Air Flow)-sensor instead of MAP-sensor on the first one, and using ECU instead of PMS.Īpplications: 1993-2000 C180 (W202) M111.940 edit The M111.940 is a 2.0 L (1,998 cc) 16-valve engine with bore and stroke of 89.9 mm 78.7 mm (3.54 in 3.10 in) and compression ratio of 9.6:1. It produces 90 kW (122 PS 121 hp) of power at 5500 rpm and 170 Nm (125 lbft) at 4200 rpm. Debuted in the 1992 Mercedes-Benz E-Class (W124), this engine family is relatively oversquare and uses 4 valves per cylinder.Īll engines in the family use a cast iron engine block and aluminum alloy cylinder head.
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