THE 5-SECOND TRICK FOR PEUGEOT ADBLUE DELETE

Since last diagnostics / code clearing drove three miles and light again on / motor turned off straight away ad blue filler cap taken off and attempted to blow/suck by way of cap to view if ventilated. Cap just isn't ventilated. left cap off and tissue in filler neck for 80 miles/no lights arrived on.Invoice of £644 . I've constantly experienced P