What are the urea system faults in the Mercedes-Benz GL350 diesel version?
1 Answers
Mercedes-Benz GL350 diesel version urea system faults include the following points: Overview of urea system faults: Insufficient vehicle power, dashboard warning prompts. Urea pump not drawing liquid, indicating issues with the urea pump's liquid circuit. Urea pump not spraying gas, low urea consumption. Overview of urea pump: It is a crucial component of the urea solution injection metering system. Its main functions are to extract urea solution from the urea tank, maintain certain pressure, and deliver it to the injection unit to meet the flow and pressure requirements of the injection metering system. After adopting SCR technology, the engine's emission performance largely depends on the calibration of the urea injection system and the related performance of the urea pump.