Peugeot Citroen - Supplement AdBlue in the PSA group control UREA

The discussion revolves around issues related to the AdBlue system in Peugeot and Citroen vehicles, particularly focusing on the UREA warning light activation and persistent error codes such as P20E8 and P20EE. Users report various symptoms including engine immobilization warnings, low pressure errors, and the need for AdBlue refills despite having filled the tank. Solutions discussed include replacing the AdBlue tank and pump, using diagnostic tools like DiagBox for error clearing, and adding additives like TUNAP 986 to prevent crystallization. Many users express frustration with the high costs of repairs at authorized service centers and share experiences of recurring issues even after replacements. The conversation highlights the importance of proper diagnostics and the potential for DIY repairs or alternative service options.
Summary generated by the language model.