INJECTION SYSTEM BASIC DIAGRAM (FOR EU SPECIFICATIONS) 1. Data link connector between
the ECU and the Diagnostic tester(EOBD socket) 2. Vehicle speed sensor, integrated in the Instrument
panel. 3. Injection system electronic control unit; with a built-in atmospheric pressure sensor (ECU -
EFI) 3D. Electronic control unit of the emission system. (ECU - DRACO) 4. Front oxygen sensor heater/
front oxygen sensor (OXH1/OX1) 5. Malfunction indicator light (MIL) 6. Ignition coil 7. Fuel pressure
regulator 8. Ignition unit; with ionic current measurement. 9. Cam angle position sensor (RPM) 10. EGR
valve 11. Surge tank 12. Injector (1# ,2#, 3#, 4#) 13. Engine coolant temperature sensor (ECT) 14. Rear
oxygen sensor heater/Rear oxygen sensor (OXH2/OX2) 15. Auxiliary air valve, controlled by the ther-
mostat. 16. Throttle body 17. Activated carbon filter (CANISTER) 18. Fuel tank 19. Vacuum switching
valve of fuel vapours (VSV) 20. Air filter 21. Intake air temperature sensor (IAT) 22. Throttle valve
position sensor (TPS) 23. Manifold absolute pressure sensor (MAP) 24. Vacuum modulator for EGR
25. Vacuum switching valve to increase idle speed (VSV2) 26. Vacuum switching valve for EGR valve
(VSV1)
Iniection System PORTER 1.3 16V
IS - 386
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