2.3L Diesel Engine Management System Mercedes Vito 1
Inlet and compressed air pressure sensor Removing 1. Disconnect wiring connector 1 from pressure sensor B47 (see fig.4.55). Pic. 4.55. Inlet and compressed air pressure sensor: 1. Wiring connector, 2. Tube, 3....
Electronic Fuel Injection Control Temperature Sensor Removing 1. Drain the coolant. 2. Disconnect the wiring connector from the temperature sensor B90 (see fig.4.56). Pic. 4.56. B90 electronic fuel injection temperature...
Air mass meter Removing 1. Disconnect wiring connector 1 from air mass meter B39 (see fig.4.57). Pic. 4.57. Air mass meter: 1. Wiring connector, 2. Collar, 3.Inlet tube, 4, 6, 8. Bolt,...
Electronic fuel injection control unit Removing 1. Disconnect the negative cable from the battery. 2. Disconnect connector 1 from control unit 2 by slightly pressing spring 3 (see fig.4.58). Pic. 4.58. Fuel...
Mixing chamber Removing 1. Disconnect the connecting pipe 5 between the compressed air supply pipe 4 and the mixing chamber 1 (see fig.4.59). Pic. 4.59. Mixing chamber: 1. Mixing...
Vehicle speed sensor Removing 1. Turn off the ignition. 2. Raise the car. 3. Remove bolt 1 (see fig.4.61). Pic. 4.61. Vehicle speed sensor: 1. Bolt, B72. Vehicle speed sensor. 4. Remove the...
Checking engine compression 1. Warm up the engine to an operating temperature of approximately 80°C. 2. Remove the injectors and disconnect the fuel lines. 3. Scroll the crankshaft of the engine...
High pressure fuel pump (TNVD) Removing 1. Remove the radiator, vacuum pump, oil gauge guide tube, oil filter, oil filter housing with oil cooler. 2. Set the piston of the first cylinder to position...
High pressure fuel pump microswitch 1. The microswitch S70 is bolted to the injection pump. To remove it, it is necessary to disconnect the wiring connector 1 from it and unscrew the bolts of its fastening...
Nozzles — removal and installation Removing 1. Remove the mixing chamber. 2. Disconnect the injection fuel line 1 and plug 2 from the nozzle of the fourth cylinder (see fig. 4.70). Pic. 4.70. Nozzles: 1....
Glow plugs Removing 1. Turn off the ignition. 2. Remove the intake manifold. 3. Unscrew nut 1 (see fig. 4.72). Pic. 4.72. glow plugs: 1. Nut, 2. Wiring, 3. Glow plug. 4. Disconnect...
Pre-glow relay Removing 1. Disconnect the negative cable from the battery. 2. Remove cover 3 from preglow relay D2 (see fig.4.73). Pic. 4.73. Preglow relay: 1. Nut (chain 30), 2. Nut,...
Preglow temperature sensor Removing 1. Turn off the ignition. 2. Drain the coolant. 3. Remove the intake manifold. 4. Disconnect plug 1 (see fig. 4.74). Pic. 4.74. Preglow temperature sensor: 1....
Checking and adjusting idle speed 1. Remove the right engine guard. 2. Screw the TDC pulse sensor 2 into the bracket and fix it (see fig.4.78). Pic. 4.78. Checking and adjusting idle speed: 1. Digital...
Generator — removal and installation Removing 1. Disconnect the negative cable from the battery. 2. Remove the right front wheel. 3. Disconnect the right half shaft (arrow) from the intermediate drive shaft...
Starter — removal and installation Removing 1. Disconnect the negative cable from the battery. 2. Disconnect the power steering tube and secure it to the side. 3. Remove protection 4 pins (see fig.4.80)....