Emission Control Systems: Locations

Component Locations:

1. ECM (Control Unit)
(Under the Instrument Panel)
2. Air Flow Sensor
3. Oxygen Sensor
4. Crank Angle Sensor
5. Knock Sensor
(On the Engine Block)
6. Coolant Temperature sensor
(Under the Intake Manifold)
7. Throttle Valve Switch
8. Throttle Valve Switch and
Throttle Position Sensor
9. Vehicle Speed Sensor
10. Vacuum Switching valve
(Pressure regulator)
11. Vacuum Switching Valve (EGR)
12. Vacuum Switching Valve
(Canister Purge)
13. Fuel Injector
14. Ignition coil
(With Power Transistor)
15. EGR Gas Temperature Sensor
16. Dropping resistor
17. Air Regulator
(Under Intake Manifold)