What is the reason why the car does not burn urea

I believe that everyone is not very familiar with urea for vehicles. After all, the environmental protection regulations of the country are becoming more and more stringent. Many models do not provide diesel engine options. Basically, some large trucks and trucks use diesel. So some novices will ask, what is the reason why the car does not burn urea, and what kind of impact it will cause, let's give you an answer below.

when wediscoverWhen the emission failure light on the instrument panel is on, it is likely that the selective catalytic reduction (SCR) system has failed, causing the car to not burn the urea used in the car. As for the failure of the SCR system, it is difficult to find out if you manually check it. It is best to go to the relevant car service shop for repair (computer inspection). After all, the scope of contact is too wide, the urea pump is damaged, and the urea tube is damaged. It is possible that the road is clogged or the nozzle is clogged, so leave it to a professional to deal with it.

When the car does not burn the urea used in the car, since there is no operation of the SCR system, the nitrogen oxides (NOx) in the exhaust gas cannot be catalytically reduced, so the exhaust gas released must be bad for the ecological environment. In addition, the power will also decrease. When the electronic control system cannot monitor the urea injection, it will forcibly limit the operation of the engine to minimize exhaust gas emissions. If there is no urea for a long time, it is likely to cause damage to the part or the entire system. The cost of repair is not low, so it is better to repair it as soon as possible.