A REVIEW OF PEUGEOT ADBLUE DELETE

Since very last diagnostics / code clearing drove 3 miles and light again on / motor turned off straight absent advert blue filler cap taken off and tried to blow/suck by means of cap to check out if ventilated. Cap isn't ventilated. left cap off and tissue in filler neck for eighty miles/no lights arrived on.With any luck , this may be an isolated