Figure 3. Engine management with On-Board Diagnostics (OBD) [5]: 1 - canister, 2 - fuel filter, 3 - valve for venting, 4 - pressure manifold, 5 - fuel injector with fuel tank, 6 - ignition coil and spark plug, 7 - crankshaft position sensor, 8 - pump air (secondary), 9 - secondary air valve, 10 - mass air meter, 11 - electronically controlled throttle, 12 - EGR valve, 13 - knock sensor, 14 - engine speed sensor, 15 - coolant temperature sensor, 16 - oxygen Sensor, 17 - control unit (ECU), 18 - interface for diagnostics, 19 - LED diagnostics, 20 - immobilizer, 21 - pressure sensor in the fuel tank 22 - fuel pump in the tank, 23 - position sensor and accelerator pedal module, 24 - battery

From

Electronic Control of Fuel Mixture Preparation and Injection in Internal Combustion Engines

Roman Gogola, Arpád Kósa

American Journal of Mechanical Engineering. 2014, 2(7), 231-238 doi:10.12691/ajme-2-7-12