2.8L petrol engine management system Mercedes Vito 1
Ignition coils Removing 1. Disconnect the negative cable from the battery. 2. Remove tip 1 from ignition coil 2 (see fig.3.40). Pic. 3.40. Ignition Coils: 1. Tip, 2. Ignition coil, 3....
Replacing spark plugs Removing 1. Turn off the ignition. 2. Remove mass air flow sensor 1 (see fig. 3.41). Pic. 3.41. Replacing spark plugs: 1. Mass air flow measurement sensor, 2. Tip, 3....
Lambda probe (oxygen sensor) Removing 1. Remove tip 1 from oxygen sensor 2 (see fig.3.42). Loosen the lock nuts securing the oxygen sensor 2. Pic. 3.42. Lambda probe (oxygen sensor): 1. Tip, 2....
Diaphragm Fuel Pressure Regulator Removing 1. Disconnect the vacuum tube 1 coming from the intake manifold 5 (see fig.3.43). Pic. 3.43. Diaphragm fuel pressure regulator: 1. Vacuum tube, 2. Retainer, 3....
Throttle body Removing 1. Remove the mass air flow sensor. 2. Disconnect the accelerator pedal cable 1 (see fig.3.44). Pic. 3.44. Throttle Body: 1. Accelerator pedal cable, 2. Branch...
Exhaust Gas Recirculation (EGR) Shutoff Valve Removing 1. Remove mass air flow sensor 1 (see fig. 3.46). Pic. 3.46. EGR shut-off valve (EGR): 1. Mass air flow measurement sensor, 2. Bolt, 3. Shut-off valve for...
Air quantity test valve Removing 1. Remove alternator 1 (see fig. 3.47). Pic. 3.47. Air quantity test valve: 1. Generator, 2. Collar, 3. check valve, 4. Vacuum tube, 5. Bolt, 6. intake...
Mass Air flow measurement sensor Removing 1. Disconnect connector 1 from the air flow sensor (see fig.3.48). Pic. 3.48. Mass air flow sensor: 1. Wiring connector, 2. Mass air flow measurement sensor, 3,...
Inlet air temperature sensor Removing 1. Disconnect wiring connector from sensor 1 (see fig.3.49). Pic. 3.49. Inlet air temperature sensor: 1. Inlet air temperature sensor, 2. Intake manifold. 2....
Engine crankshaft speed sensor Removing 1. Turn off the ignition. 2. Remove the cover on box 1 (see fig.3.50). Pic. 3.50. Engine speed sensor: 1. Box with connectors, 2. Wiring connector, 3....
Camshaft speed sensor Removing 1. Turn off the ignition. 2. Remove the decorative engine panel. 3. Remove bolt 7 (see fig.3.51). Pic. 3.51. Camshaft speed sensor: 1. Wiring connector, 2....
Checking engine compression 1. Warm up the engine to an operating temperature of 80°C. 2. Remove spark plug 1 (see fig.3.53). Pic. 3.53. Engine compression check: 1. spark plug, 2. Ignition coil,...
Generator — removal and installation Removing 1. Disconnect the negative cable from the battery. 2. Remove the front cross member. 3. Remove the grille. 4. Remove the alternator drive belt 6 (see fig.3.55)....
Starter — removal and installation Removing 1. Disconnect the negative cable from the battery. 2. Remove bolt 1 (see fig.3.56). Pic. 3.56. Starter: 1, 7, 8, 13. Bolt, 2. automatic transmission, 3. Fuel...