FACTS ABOUT PEUGEOT ADBLUE DELETE REVEALED

I have to fix it speedy as on Friday I'm going for that periodic Test RWC. I have no diagnostic method, do you believe by taking away the battery I can reset the mistake if i will change the adblue injector?Initially assumed dealership had not topped up Adblue at main service 3 months in the past so after cursing them popped into Halfords and recei