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What is the EGR valve in our car to enable? Wondering if your car needs an EGR valve? Why is its replacement, in the event of its failure, something that is better not to underestimate in any way? At the very beginning, it is worth explaining what the EGR valve in our car is to enable, and its main task is to direct the exhaust gases back to the combustion chamber. This means nothing else, that it is supposed to allow the reduction of emissions of substances belonging to this group of nitrogen oxides, thanks to which we do not have to worry about exhaust emissions. Sure, there are times when it is mentioned that many drivers decide to turn it off, blind or remove it, but with the current penalties, it is not a good move. After all, we are talking about a technology that is largely to help protect the environment, so it is to play a key role when it comes to the penetration of exhaust gases into the atmosphere itself. EGR is part of the exhaust gas recirculation system, i.e. the pipe that we find between the intake and exhaust, and is to determine the amount of exhaust gas to be sent to the combustion chamber. At this time, the valve is responsible for closing the entire circuit when the load is too high, and the same is true of when our engine has not reached an adequate operating temperature.
The most common causes of EGR valve failure
If we notice that the Check Engine indicator appears, or have noticed that the engine power drops systematically, or it goes out or comes out of the exhaust pipe, very black smoke, it is good to judge the operation of the EGR valve. Its replacement, as mentioned and mentioned above, is something necessary, in the context of maintaining certain combustion standards, if we do not do it, we will face very unpleasant consequences. It is also not true that the lack of EGR valves allows you to increase the power of the car, therefore we should not decide to use plugs or turn them off, as we can also lead to other much more serious faults, the engine itself.