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Elimination of the EGR system.


TigerDrummer

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When contemplating the importance of the EGR system and its inherent intricacy and potential for issues, I stumbled into a video showcasing the complete removal of this system from BMW automobiles. Interestingly, there is even a kit available that includes blanking plates and other necessary components for this purpose. By boosting dependability and reducing clutter in the engine compartment, working on the engine becomes much simpler. Is it possible to do this on Mercedes vehicles, and what impact will it have on emissions testing during the MOT?

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It is feasible to perform on (almost) any automobile.

The Exhaust Gas Recirculation (EGR) system restricts the intake of oxygen to the engine, resulting in a decrease in the temperature inside the combustion chamber. As a result, there is a reduction in the emissions of nitrogen oxides (NOx).

Currently, MOT testing stations lack the necessary technology to test for EGR removal. However, if NOx emission testing is implemented next year, as some have proposed, it will become a problem for those who have blocked the EGR or uninstalled the AdBlue system.

Furthermore, your automobile would effectively become unfit for road use and your insurance will be invalidated.... yet, the likelihood of being apprehended remains uncertain.

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Does it imply that the system will be present but unable to function? The potential benefit of doing so would be to restore its functionality in the event that emissions testing became more stringent.

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Yes, it works well at all temperatures. Initially, during the early stages of Exhaust Gas Recirculation (EGR), it was common practice to disable it at low temperatures due to the potential for combustion stability issues.
Following the dieselgate scandal, which is seen as a method of manipulating emissions tests, manufacturers are required to use exhaust gas recirculation (EGR) unless it can be shown that doing so is not feasible.

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