RUMORED BUZZ ON PEUGEOT ADBLUE DELETE

I really have to fix it speedy as on Friday i am heading for the periodic Examine RWC. I have no diagnostic procedure, do you think by removing the battery I can reset the mistake if i will change the adblue injector?drove 3 miles and lightweight back on. into next Peugeot garage nearer household once more diagnostics indicating small urea pump pre