7 a.m., A50 lay-by outside Stoke. A Peugeot Boxer fridge van sits idling while the driver scrolls panic posts on his phone. The dash flashes P20EE – SCR efficiency below threshold; a “No start in 700 km” countdown has already begun. The dealer quoted two weeks and £2,100 for a…
Modern Peugeot, Citroën and Ford vans often suffer from recurring AdBlue fault codes. While these codes look confusing on a scan tool, they all point to common problems inside the SCR system. Here’s a breakdown of the top five we see in 2025, what they mean, and how they’re fixed…