How to Troubleshoot When the Urea Warning Light Comes On?

[OCaleb]

Methods to troubleshoot when the urea warning light comes on: 1. If the vehicle experiences poor acceleration or white smoke from the exhaust pipe, professional equipment is needed to clean the urea crystallization inside the exhaust pipe; 2. If the vehicle's fault code indicates low urea pressure, it is necessary to replenish the urea; 3. If the engine torque is limited and the RPM cannot exceed 1800 per minute, the urea pump and sensor need to be replaced. Automotive urea is a high-purity transparent liquid with a faint ammonia odor, alkaline but non-toxic. Failure to load diesel exhaust fluid (DEF) or using impure or substandard DEF can cause the vehicle's engine to automatically reduce speed. Poor-quality DEF can contaminate the catalyst in the SCR catalytic reaction tank, leading to serious consequences.