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Catalytic converter failures most often occur on vehicles which have been poorly maintained and which have produced high emissions in more then one category. Factory CATs should normally last 7 to 10 years. How long a vehicles catalytic converter lasts will depend on how completely the engine burns fuel before presenting it the to the catalytic converter and also on the quality of the CAT. In the 3-way catalytic converter, once the HC and CO reduction has occurred by extreme heating, a NOx reduction substrate separates the harmful pollutant known as nitric oxides into nitrogen and oxygen.Ĭatalysts are designed to function for a limited time, and require replacement. The total cost to complete the job for the rear would be about 1,080 using factory parts, and about 584 using certified aftermarket parts. A factory replacement part costs about 740, and a Walker CARB compliant part costs about 244. Twist the pipe around by hand until the mounting holes in the flanges on the test pipe and the adjoining exhaust pipes line up. For this vehicle, the labor time to replace the rear catalytic converter is estimated at 3.4 hours. Place a test pipe (available at auto parts stores) into the exhaust system in the void left by the catalytic converter. This causes a rapid increase in temperature, causing exhaust gases to burn hotter, ultimately reducing emissions. Retain the catalytic converter for possible installation in the future. When hot exhaust gases are forced through the catalytic converter, they contact the catalyst substrate.
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The catalytic converter only begins working after exhaust has exited the engine's combustion chambers. The catalytic converter, or cat for short, is a component of the exhaust system that converts harmful pollutants into less harmful emissions. Like I earlier mentioned, the catalyst converter helps to reduce toxic emissions generated by the combustion engines such as carbon monoxide, nitrogen oxide, hydrocarbon, etc., and they are often referred to as emission regulator components in the car exhaust system. Also, it may require welding to attach the catalytic converter. Operation: The Catalytic converter is a catalyst, it plays no part on how well your engine runs. The cost of replacing your catalytic converter will depend on the make and model of your.