Vacuum Schematic

1. PRIMARY HEATED OXYGEN SENSOR (PRIMARY HO2S, SENSOR 1)
2. SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S, SENSOR 2)
3. MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
4. ENGINE COOLANT TEMPERATURE (ECT) SENSOR
5. INTAKE AIR TEMPERATURE (IAT) SENSOR
6. CRANKSHAFT SPEED FLUCTUATION (CKF) SENSOR
7. IDLE AIR CONTROL (IAC) VALVE
8. THROTTLE BODY (TB)
9. FUEL INJECTOR
10. FUEL FILTER
11. FUEL PRESSURE REGULATOR
12. FUEL PUMP (FP)
13. FUEL TANK
14. FUEL TANK EVAPORATIVE EMISSION (EVAP) VALVE
15. AIR CLEANER
16. RESONATOR
17. POSITIVE CRANKCASE VENTILATION (PCV) VALVE
18. EVAPORATIVE EMISSION (EVAP) PURGE CONTROL SOLENOID VALVE
19. EVAPORATIVE EMISSION (EVAP) CONTROL CANISTER
20. EVAPORATIVE EMISSION (EVAP) TWO WAY VALVE
21. THREE WAY CATALYTIC CONVERTER (TWC)