Fuel injection system components (Hyundai Elantra J2)

1. Air pressure sensor (MAP).; 2. Inlet air temperature (IAT) sensor.; 3. Coolant temperature sensor (ECT).; 4. Throttle position sensor. dampers (TR).; 5. Camshaft position sensor (CMP).; 6. Crankshaft position sensor (CPS).; 7. Oxygen sensor (HO2S).; 8. Nozzle.; 9. Control mechanism. idle speed (ISC).; 10. Vehicle speed sensor.; 11. Transmission range switch (TR).; 12. Ignition switch.; 13. Engine control unit (ECM).; 14. Air conditioner relay.; 15. Electromagnetic purge valve (EVAP).; 16. Injection control relay.; 17. Ignition coil.; 18. Data transfer connector.; 19. Potentiometer for CO content at idle speed (only for egilir. gasoline).; 20. Knock sensor.