<![CDATA[Basically every engine that has a combustion system to produce power allows for exhaust emissions. Exhaust emissions are the residue from burning fuel (gasoline) and air in the combustion engine which is expelled through the engine exhaust system. Therefore, one of the efforts to reduce exhaust gas levels is to innovate to create a more perfect ignition system. The purpose of this study was to determine the comparative effect of replacing platinum ignition with TCI ignition on the exhaust emissions produced. Tests were carried out using the Emission Gas Analyzer on the Toyota Kijang 1.8 in 2002 with variations in engine speed of 1000 rpm, 1500 rpm, 3000 rpm and 6000 rpm using platinum ignition and TCI ignition to determine the value of CO, HC and CO2 concentrations. Based on the test results it was found that the use of the TCI ignition system resulted in a decrease in CO emission levels of 3.69% HC 430 ppm at 1000 rpm, 1500 rpm for CO 0.23% HC 54 ppm at 3000 rpm for CO 0.78% HC 0 ppm and CO 0.23% HC 54 ppm at 6000 rpm.]]>
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