Do All Diesel Vehicles Require Urea?

1 Answers
StAshlyn
07/29/25 10:32pm
Not all diesel vehicles require urea. The function of urea is to convert nitrogen oxides in vehicle exhaust into harmless nitrogen and water, enabling the vehicle to meet national exhaust emission standards. The impacts of not using urea in vehicles include: 1. Exceeding emission limits, causing environmental pollution; 2. Chemical substances in the vehicle system may oxidize, leading to clogged urea nozzles and rendering the entire system inoperable; 3. Reduced vehicle power. The roles of urea are: treating exhaust to reduce pollutants, optimizing engine performance, and improving fuel consumption. Methods to resolve urea warning lights in vehicles include: 1. Replacing the urea solution; 2. Replacing the water heating valve; 3. Replacing the urea pump and power supply module connector.
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