NOT KNOWN FACTUAL STATEMENTS ABOUT PEUGEOT ADBLUE DELETE

I should take care of it rapidly as on Friday I'm going for the periodic Test RWC. I haven't any diagnostic process, do you believe by taking away the battery I'm able to reset the error if i will change the adblue injector?I have had it on the long term right now and the chance of clogging error and service lights are on fewer but still intermitte