![]() To clean outgases, the diesel engine uses different systems than the gas engine. Compared to a gas engine, the efficiency is poor because the ignition process isn’t efficient. This makes sure that the fuel is burned efficiently, and the amount of water fuel is low. The gas engine uses a spark plug to ignite its fuel while a diesel engine will convert the fuel into a gas and then it’s ignited using a glow plug. The diesel engine and the gas engine don’t ignite in the same way. The diesel cars with their diesel particulate filters have also been made compulsory. It soon became law for all gas engines manufactured in the US and Europe to have catalytic converters fitted to meet standards. The Cat converter is now one of the most important parts of the emission control system. For decades, automakers have been trying to find new ways to reduce the number of toxic gases that have been produced by vehicles so in 1975, the cat converter was introduced. Other pollutants in this toxic gas can include Nitrogen oxides and Hydrocarbons. Why Are Catalytic Converters NeededĬars need catalytic converters because they produce toxic emissions that can damage the environment and once introduced into the air, it can cause acid rain which is toxic to humans. The SCR which can also be referred to as the Diesel Exhaust Fluid uses an ammonia-based catalyst to break down Nitrogen Oxide which is then converted to Nitrogen and Oxygen which isn’t harmful to humans. These metals are also used to break down volatile chemicals such as hydrocarbons and nitrogen oxides. It uses metals as catalysts to help convert carbon monoxide into co2 and water. The Diesel Oxidation Catalysts work identically to the cat converter in a gas engine. Due to their use of catalytic to help facilitate chemical reactions to reduce emissions, the SOC and the DOC can be considered catalytic converters. Newer diesel engines built in Europe, especially all have catalytic converters installed.ĭiesel converts have an Exhaust Gas Recirculation, Diesel Oxidization Catalyst, and Selective Catalytic Reduction as well as a Diesel Particulate Filter. Until 1990, there were technological advancements made to reduce emissions even without catalytic converters. Older diesel engines don’t have diesel catalytic converters, especially if they were made before 1990. #Lhc connect itrain manual#Important: If you want to save $100s in servicing, diagnosis, and repair costs, improve your car's performance significantly and increase its value by 1.2x with little effort, download our Beginners Auto Maintenence & Repair Manual now. The particles are visible, so people think diesel engines gave more dirt and are more polluting than petrol. The diesel engines are cooler than the gas engine and produce fine carbon particles that haven’t been burnt to carbon monoxide. Modern diesel vehicles have diesel particular filters or DPFs that work similar to catalytic converters – this filter helps to remove a greater number of pollutants in the exhaust gases but also removes soot. Most diesel vehicles have a catalytic converter fitted because of legislation that protects the environment. Diesel engines use diesel fuel, and this is atomized and then ignited using a glow plug. This may leave you wondering if they have a catalytic converter that can help to get rid of the toxic gases in the exhaust system. Catalytic converters contain catalytic substances, and this helps to convert the carbon monoxide found inside the toxic gas into carbon dioxide and water – this helps to clean the toxic gases efficiently to make sure that humans aren’t breathing in the toxic gases.Īs you know, diesel engines are built for efficiency meaning that they use a completely different fuel from gas engines, and they ignite differently. Catalytic converters are important to your vehicle and it helps to treat the exhaust system of toxic gases, so they don’t get released into the atmosphere. ![]()
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