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What is the purpose of automotive urea?

2 Answers

MacAlana

07/28/25 11:52pm

Automotive urea solution can reduce harmful nitrogen oxides in exhaust gases into nitrogen and water, thereby decreasing the level of exhaust pollution. Below is a related introduction to automotive urea solution: 1. Function: Automotive urea solution is used to reduce nitrogen oxide compounds in vehicle exhaust, lowering the degree of exhaust pollution. 2. Composition: Automotive urea solution is a colorless, transparent, and clear liquid, a urea-based chemical reactant, formulated from high-purity urea without any additives and pure water, with a urea content of 32.5% (mass fraction) in the solution. 3. Significance: Automotive urea solution is key to reducing pollutant emissions from diesel vehicles. Applying automotive urea solution in the SCR (Selective Catalytic Reduction) system is crucial for engine exhaust emissions to meet National IV and higher emission standards.

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SpencerLynn

08/12/25 4:11am

I've always driven diesel vehicles, and AdBlue is definitely not urine—it's a specialized additive used in diesel emission systems. Every time I refuel, I make sure to check the AdBlue tank to ensure it's not empty, because during the exhaust process, it reacts with harmful nitrogen oxides, converting them into harmless nitrogen and water, which significantly cleans up the exhaust and is more environmentally friendly. If you don't refill AdBlue, the vehicle will trigger a warning and may even limit speed or stop you from driving far. I once experienced this on the highway, and the repair cost me several hundred dollars. Don't use low-quality products—they can crystallize and clog the injector. I stick to reputable brands and clean the system regularly. Remember, AdBlue isn't something to skimp on—skipping it could lead to emission violations, fines, and even engine damage. Maintaining it properly ensures a smoother, more eco-friendly drive.

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How to Use Car Automatic Air Conditioning?

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