What is the Solution for Vehicle Urea Crystallization?

1 Answers
LaLaila
07/29/25 7:16am
Vehicle urea crystallization can be resolved by: 1. Letting the engine idle for a period before parking to allow the reactants to be discharged; 2. Not immediately disconnecting the vehicle's power supply after turning off the engine. The causes of vehicle urea crystallization are: 1. Use of inferior quality urea; 2. Poor atomization effect or failure of the nozzle; 3. Incomplete emptying of the urea pump after the vehicle is turned off; 4. Not replacing the urea pump filter regularly; 5. Use of inferior diesel and harsh working conditions leading to catalyst failure. Preventive measures for vehicle urea crystallization include: 1. Using diesel and urea solution produced by reputable manufacturers; 2. Regularly replacing the urea filter, air-driven urea pump, air-assisted urea pump, and air filter.
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