Operation CHARM: Car repair manuals for everyone.

Emission Control Systems: Locations

Component Locations:







1. Electronic Control Module (ECM)
2. Air Flow Sensor
3. Oxygen Sensor
4. Crank Angle sensor
(Built into distributor)
5. Coolant Temperature Sensor
(Under intake Manifold)
6. Throttle Valve Switch
7. Vehicle Speed Sensor
(Built into Speedometer)
8. Vacuum Switching Valve
(Purge Control)
9. Vacuum Switching Valve
(Pressure Regulator)
10. Vacuum Switching Valve
(AIR Control)
11. Fuel Injector
12. Ignition Coil
13. Power Switch
14. EGR Gas Temperature Sensor
15. Dropping Resistor
16. Air Regulator
(Under Common Chamber)
17. EGR Control System
(Calif. Only)
- Duty Solenoid
- Vacuum Tank
- Vacuum Regulator
- EGR Cut Solenoid
- Orifice