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Efficiency Below Threshold This page is meant to help you troubleshoot ?

The catalyst within the converter promotes a chemical reaction, which oxidizes the hydrocarbons and the CO that are present in the exhaust gas. The catalyst within the converter promotes a chemical reaction, which oxidizes the hydrocarbons and the CO that are present in the exhaust gas. Table Chrysler Pacifica - Check engine code p0420( catalyst efficiency low bank 1 - I have a 05 Pac. Catalyst system efficiency is the percentage of these chemicals removed from the exhaust system. menards water heater gas It covers the P0420 code's meaning, symptoms, causes, and possible solutions. Code P0430 Chevrolet Description. Catalyst system efficiency is the percentage of these chemicals removed from the exhaust system. Those include the diesel particulate filter and catalyst converter. Catalyst system efficiency is the percentage of these chemicals removed from the exhaust system. wusa9 reporter sharla mcbride And while the description might imply a failed converter, odds are the ultimate fault lies somewhere else. This malfunction is detected by the downstream oxygen sensor, which signals PCM to activate the P0430 code. Your GMC has at least two oxygen sensors, one before and after the catalytic converter. A modern catalytic converter should pull over 95% of these pollutants out. pal item obituary Common causes of the code include faulty catalytic converters, damaged oxygen sensors, wiring issues , and exhaust leaks. ….

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