| Description |



Description The amount of exhaust emissions (CO, HC, NOx) is controlled by a combination of engine modifications and special control components. The basic system control is composed of the combustion chamber, intake manifold, camshaft and ignition system.
Removal (Refer to Engine Mechanical System - "Exhaust Manifold") Installation (Refer to Engine Mechanical System - "Exhaust Manifold")
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Inspection 1. Turn the ignition switch OFF. 2. Disconnect the intake actuator connector. 3. Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the intake actuator operates to the recirculation position when connected in reverse.