Engine Emission Control: Notes
NOTE:
Do not remove any part of the engine emission control system. Operating the engine without the engine emission control system intact will reduce fuel economy and engine ventilation. This will weaken engine performance and shorten engine life.
The engine emission control system includes the:
- EGR valve.
- EGR valve-to-intake manifold tube (2.3L).
- exhaust manifold-to-EGR valve tube (4.0L SOHC).
- EGR vacuum regulator solenoid.
- PCV valve.