Author: Edvin

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Easy installation is what every customer/installer wants. A variety of plug & play adblue emulators are being offered online these days, but not all of them will do what they suppose to. Again, the cheapest option is the Chinese emulator, which feature online for around 15 – 35 dollars. We have ordered such plug & play emulators ourselves some time ago, just out of curiosity, none of them worked and once we opened them up, what we found inside did not make technical sense, at least not to us. Of course, a ‘cowboy’ retailer could have had us, or it could have been a bad batch… In any case, do not put to much hope into such product, if you do have problem related to adblue or nox systems in your truck, Chinese plug & play emulator will not help..

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NOx – a nitrogen oxide sensor is a high-temperature device/sensor built/designed to detect nitrogen oxides in combustion environments such as an automotive or truck exhaust emissions.

The development of exhaust gas NOx sensors started in the 1990s. The most recent area of NOx sensor application are SCR systems for light and heavy duty diesel engines. To satisfy various OBD requirements, SCR systems typically use a NOx sensor downstream of the SCR catalyst. If excessive NOx or ammonia concentrations exist at the SCR outlet, an OBD malfunction/fault will be triggered, as NOx sensors are sensitive to both gases. Should such fault/error be detected, vehicle ECU will start limp mode timer, and, after a certain number of hours, starts etc.. (different from one manufacturer to other) the vehicle will enter limp mode.

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Most tractors, combines, excavators, cranes and other mobile engines that run on diesel, but not on roads, are equipped with SCR/Adblue technology, which requires Adblue fluid.

SCR technology and AdBlue for NOx reduction can be found in most non-road engines/vehicles such as:
• Agriculture vehicles such as tractors and combine harvesters
• Mobile cranes
• Engines/machines used in harbours and airports
• Excavators and engines used in mines or construction