Which Cars Have Three-Way Catalytic Converters?

2 Answers
Marie
07/29/25 4:02am
Three-way catalytic converters are found in Geely vehicles. Below is an introduction to three-way catalytic converters: 1. Introduction to Three-Way Catalytic Converters: A three-way catalytic converter refers to a device that converts harmful gases emitted from vehicle exhaust into harmless gases through oxidation and reduction reactions. 2. Functions of Three-Way Catalytic Converters: (1) Improve fuel atomization performance, enhance combustion efficiency, reduce fuel consumption, and save 5-20% of fuel. (2) Enhance cold-start capability at low temperatures and reduce noise. (3) Improve power performance, extend the service life of the engine and the three-way catalytic converter, and ensure proper vehicle maintenance.
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StSawyer
08/12/25 7:48am
I've always been interested in cars, and the three-way catalytic converter is a standard feature on almost all modern gasoline-powered vehicles. This device is installed in the exhaust system, primarily to reduce emissions of carbon monoxide, hydrocarbons, and nitrogen oxides, ensuring environmental protection. From the car models I'm familiar with, such as the Honda Accord, Toyota Corolla among compact family cars, or SUVs like the Ford Focus, all come equipped with it. Especially after the U.S. introduced emission regulations in the 1970s, gasoline car brands worldwide have widely adopted it. If you're driving a diesel or pure electric vehicle, you might not have a three-way catalytic converter, but most gasoline cars come with it from the factory. Poor maintenance can easily lead to clogging of the catalytic converter, resulting in decreased engine performance or even failing the annual inspection. In short, it's one of the essential components of a gasoline car, and it's best to check its condition when buying a used car.
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