Catalytic converters exist as a vital component within a complex network of automotive systems and play an essential role in mitigating vehicle emissions and protecting the environment. Before mentioning Catalytic Converter replacement, it is clear that every vehicle owner needs to understand how catalytic converters work, recognize the signs of failure, and make an informed decision to proceed with the replacement process.

The integration of a catalytic converter into a vehicle is an important step in the development of environmentally friendly technologies and environmental protection. In this blog, we will consider the things you should know before choosing the right catalytic converter for your vehicle, we will discuss the causes of failure and Types of Catalytic Converter and what it looks like.

What does the complete system look like?

The purpose of a catalytic converter is simple and clear – to reduce the amount of harmful substances emitted into the exhaust gases. In addition, it helps improve engine performance and reduce fuel consumption due to more combustion of fuel. However, not all catalytic converter models can achieve this goal. We will discuss several solutions. First, let’s figure out that catalytic converters are divided into three types:

• Chemical
• Honeycomb metal and ceramic
• Magnetostrictive

Catalytic converters work closely with oxygen sensors. The sensors monitor the operation of the catalyst and regulate its function according to the received data. Usually, two oxygen sensors are installed: one is located immediately after the catalyst, and the other is before it. Ceramic catalysts are often integrated into the pipe between the muffler and the engine and are always covered with a special screen. Removing the screen can lead to overheating of the device. Other types of catalysts may have their location and features.

Types of Catalysts are

One of the most common means of catalytic cleaning of exhaust gases is honeycomb catalysts, which can be made of metal or ceramic. Inside each catalyst, there are many small holes filled with a special platinum or iridium compound. During the operation of the car, this compound interacts with dangerous elements of exhaust gases and converts them into harmless compounds. At the same time, honeycomb catalysts also face some problems and disadvantages that require attention and solutions. During the reaction process, the catalyst heats up and releases into the atmosphere only harmless compounds, such as CO2, N2, O2, and water vapor.

• If the ignition system is faulty, a small amount of gasoline may accumulate in it. When you try to start the engine again, this gasoline may ignite, causing detonation. This can cause the catalytic converter honeycomb to melt, deform, or even break.

• Strong mechanical impacts are unacceptable for honeycombs, as they can cause their deformation, cracks, and movement inside the housing. In this case, a catastrophic situation is possible, when ceramic dust can spray throughout the exhaust system, causing damage to adjacent units.

A catalytic converter that is not functioning properly can reduce performance and increase fuel consumption. In some cases, catalytic converters that cannot be repaired are simply removed or punctured, but we will cover this option later.

Chemicals

Many foreign cars have installed chemical catalysts, often called additives, on their cars. These catalysts are designed to significantly improve the properties of oils and fuel, as well as to increase the durability of many vehicle components. Fuel additives or catalysts can be used to enhance the combustion process, leading to improved combustion completeness, reduced emissions, and a decrease in the likelihood of engine knocking (detonation).

Magnetostrictive

Since the 1970s, magnetostrictive catalysts have been created, but they have not become widespread. The main principle of operation of such catalysts is not to change the chemical composition of the fuel but to change its physical properties. Due to the correct orientation of the fuel molecules, the catalyst helps to attach the maximum amount of oxygen to it, which increases the completeness of combustion and the efficiency of the process.

For most car enthusiasts who have only encountered ceramic catalytic converters, it should be noted that magnetostrictive catalytic converters are a completely different type of catalytic converter.

Causes of catalytic converter problems

There are various reasons why catalytic converters may not function properly. Here we will explain in detail the main causes of catalytic converter trouble. Understanding these causes can help you prevent and detect problems early.

Engine malfunction

Engine malfunction is one of the main causes of catalytic converter problems. When the engine is not working properly, fuel is incompletely burned, resulting in more harmful substances in the exhaust gas. If this condition continues, the catalytic converter can become overloaded and eventually become clogged or deteriorated.

Regular maintenance and inspections are important to prevent engine problems. In particular, regular inspections of the fuel and ignition systems can help extend the life of the catalytic converter. Also, if the engine check light comes on, it is recommended that your car be inspected immediately. Contact Hytec Auto Garage in Dubai to keep your car in top condition.

Poor fuel quality

As fuel quality declines, the risk of catalytic converter failure increases. Poor-quality fuel can contain a lot of impurities that can build up inside the catalytic converter. These impurities reduce the efficiency of the catalytic converter, eventually causing it to clog and deteriorate.

If you suspect that the quality of your fuel is poor, it is important to take action early. For example, cleaning the fuel tank and inspecting the fuel system can help prevent problems from occurring. And the Best Auto Garage can provide you with the best maintenance service that will keep your car safe.

Oil leaks or Coolant Contamination

Engine oil or coolant can cause problems if it gets into your catalytic converter. When an oil leak occurs, the oil gets into the exhaust gas and settles on the surface of the catalytic converter. The oil interferes with the catalytic converter’s chemical reactions, reducing its efficiency and eventually causing it to clog and deteriorate.

Coolant contamination can cause problems as well. When coolant gets into the exhaust gases, it lowers the temperature of the catalytic converter and prevents the proper chemical reactions from occurring. This reduces the catalytic converter’s efficiency and makes it less able to filter out harmful substances.

Regular engine inspection and maintenance are essential to prevent oil leaks and coolant contamination. It is especially important to check the condition of gaskets and seals and replace them if necessary. Proper oil changes and coolant top-ups can also reduce the risk of trouble.

Be Aware: Choosing the Right Catalytic Converter

When choosing a catalytic converter, it is necessary to consider the volume and power of the engine, as well as the type of carrier and compliance with the requirements of the automaker. Metal carriers are the most popular type. When choosing an analog or universal catalyst, the manufacturer’s brand should also be taken into account.

It is recommended to determine the choice of a catalytic converter for a car based on the VIN code. Many modern models of transport come with a corresponding device that will work best with a specific car. However, original catalytic converters can be expensive. In this case, you can consider analog options. Universal catalytic converters are more affordable but may have several disadvantages, such as a lower resource (usually about 60-80 thousand kilometers), as well as possible problems with the quality of exhaust cleaning. 

Summary

Replacing your car’s catalytic converter is sometimes essential when the current one is inefficient, turns red, or has been stolen. When choosing, take the time to browse the offers available on the market, before making a selection. Unfortunately, quality catalytic converters at a good price are rare.

Get in touch with one of Hytec’s specialists today and worry-free about the price and quality because Hytec Auto Garage has been providing the best car repair service since 2002 and maintaining its reputation in Dubai. Get in today and lend us the burden of your car.

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