WHAT DOES PEUGEOT ADBLUE DELETE MEAN?

which we had continually for another week, cycling spherical each and every 30 odd seconds. Looked at the injector which was spotless, so set back and took the advertisement blue tank off, drained it, resolved the pump was very likely explanation for the lasting P20E8 code so requested the new tank. refitting the tank as A short lived as I neverthe