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Does it has no impact to remove the OBD device

2021-10-07

Does it has no impact to remove the OBD device

There are many misunderstandings in the process of using National IV vehicles. Some drivers will remove the OBD of the vehicle's AdBlue alarm equipment, or change the CPU data to avoid filling the AdBlue or achieve the effect of false environmental protection data. What's the harm?

Relevant technical experts explained to us: By fooling the OBD monitoring, the vehicle can exhaust the urea in the SCR system with unlimited power. This seems to reduce a lot of troubles, but because the National Fourth Engine is biased to fully reduce PM emissions Combustion, so that the NOx emissions in the exhaust will not only not decrease but also increase, and the exhaust pollution even exceeds that of the national three vehicles. At the same time, the long-term non-operation of the SCR system will cause the residual vehicle urea solution in the SCR system to crystallize and block the pipes and nozzles, and the long-term lack of liquid soaking will reduce the life of the SCR system components or even damage them, and the catalyst will lose its catalytic effect. To replace the SCR, the cost of system components is much higher than the cost of normal use of AdBlue.

 
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