NOT KNOWN DETAILS ABOUT PEUGEOT ADBLUE REMOVAL

I've finished another thing so I needed to share my Remedy so that you can try that can help others who may have the identical trouble. I failed to put a gap in my gas cap (I have more mature model without the need of white or black dot on top of it) but I have pull off black rubber ring with the neck of a fuel tank which happens to be benith cap a