Replacement 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the canister assembly. (Refer to Evaporative Emission Control System - "Canister") 3.
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.