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What Causes the Urea Fault Light to Illuminate in China VI Vehicles?

1 Answers

BellaMarie

07/28/25 2:24pm

Urea fault light illuminates due to reasons such as depleted urea solution, substandard urea solution quality, or blockages in the SCR system pipelines. Below is more relevant information: 1. Specific solutions for urea faults: (1) If the vehicle exhibits symptoms like sluggish acceleration or white smoke from the exhaust pipe, it is necessary to use professional equipment to clean the urea crystallization inside the exhaust pipe. (2) If the vehicle's fault code indicates low urea pressure, the urea solution should be replenished. 2. Automotive urea: Automotive urea is a diesel exhaust fluid that utilizes SCR (Selective Catalytic Reduction) technology to reduce nitrogen oxides in diesel vehicle emissions. If the automotive urea is missing or the SCR system malfunctions, the vehicle may display symptoms such as sluggish acceleration, unresponsiveness to throttle input, insufficient power, or inability to increase engine RPM.

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