Replacing a catalytic converter is one of the most expensive car maintenance tasks. Some drivers do not understand why "some barrel" on the pipe costs so much. The fact is that the catalyst design contains rare and expensive metals: palladium, platinum, rhodium, etc. And many citizens decide on an operation to remove the catalyst instead of replacing it. But is it worth it to do so?
Once upon a time, when cars were just beginning to enter human life, no one thought about any environmental standards. The cars roared like monstrous beasts and smoked like coal plants. But there were few cars. However, gradually there were more and more cars and trucks on the roads. As a result, people began to think about how to reduce the noise, smoke and smell of steel horses. Then an exhaust gas treatment system was invented from a catalytic converter-neutralizer and an oxygen sensor.
The main problem of the catalyst is not that it costs a lot, but that, in addition to this, it quickly collapses. The destruction of an important part occurs as a result of constant shaking due to exposure to cold air from outside and hot air from the inside, due to oil and coke from the engine, due to poor fuel quality and some other less significant factors. In other words, with rare exceptions, nothing can be done about all this. You can refuel with good fuel, but all other problems in the case of a catalyst are “cured” only by a constant stay in the garage, alas and ah.
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The destruction of honeycombs inside the catalyst leads to a number of extremely unpleasant consequences. The exhaust gas drops, which causes problems in the operation of the engine, fuel consumption increases, traction drops, the exhaust system of the car suffers, characteristic noise and crackling appear, numerous sensors suffer. Finally, a failed catalyst can also cause damage to the muffler. Different drivers solve the problem of a damaged catalyst in different ways: they buy a new one (prices start from 10 thousand rubles), buy a new one that is not original, remove the old one and install "deceit". The latter method has its pros and cons.
To the pluses Catalyst removal can only be attributed to an increase in vehicle dynamics. In most cases, the "swallow" begins to fly as a young one. This is due to improved fuel supply, as well as greatly simplified removal of exhaust gases from the system. cons the removal of the catalyst has noticeably more: an unpleasant smell appears, the car starts to smoke a lot, make a lot of noise. Oh, and of course, you and your car without a catalytic converter immediately become Greta Thunberg's main enemy. So far, a fine for the lack of a catalyst can only be obtained in Europe. In Russia, there are no fines for this, although recent amendments may allow inspectors to do this in the future. Much more important is that a car without a catalyst will not be able to pass a technical inspection.
If you want to know even more interesting things, then you should read about 5 special racing cars of the USSRahead of their time.
Source: https://novate.ru/blogs/130622/63250/