What is the function of adding urea to a car?

1 Answers
Esther
07/29/25 2:22pm
The function of adding urea to a car is to reduce nitrogen oxides in the vehicle's exhaust, lower emission pollution, and improve the vehicle's environmental friendliness. The consequences of not using urea are: 1. Exceeding emission standards, causing environmental pollution; 2. Chemical substances in the car's system may oxidize, the urea nozzle may become clogged, rendering the entire system useless; 3. Reduced vehicle power. The role of urea is: to treat exhaust gases, reduce pollutants in the exhaust, and optimize engine performance and fuel consumption. The reasons for the urea warning light are: 1. Urea pressure is too low, urea consumption is high; 2. Insufficient power, urea consumption is too high or too low; 3. Instrument panel malfunction. Methods to eliminate the urea warning light are: 1. Replace the urea solution; 2. Replace the water heating valve; 3. Replace the urea pump and power supply module plug.
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