THE BEST SIDE OF PEUGEOT ADBLUE DELETE

Because very last diagnostics / code clearing drove 3 miles and lightweight back again on / engine turned off straight away advert blue filler cap removed and tried to blow/suck as a result of cap to discover if ventilated. Cap just isn't ventilated. remaining cap off and tissue in filler neck for 80 miles/no lights arrived on.No, Virtually all die