TOP PEUGEOT ADBLUE DELETE SECRETS

Considering the fact that final diagnostics / code clearing drove 3 miles and light back again on / engine turned off straight away advert blue filler cap taken out and tried to blow/suck by cap to determine if ventilated. Cap is not really ventilated. remaining cap off and tissue in filler neck for 80 miles/no lights came on.With any luck , this w