I find it hard to believe that the "burnt" taste is undetectable, although I guess it takes more time for some than others to grow their tastebuds back. I've occasionally thought a coil was burnt when it wasn't, but never the reverse.
If you are cleaning black gunk off it to continue vaping, though, I'd still suggest swapping out that coil (after a VERY THOROUGH rinse/clean of your tank) and see if your new coil tastes or behaves differently. You can KEEP the old coil, in case it's a magic coil, rather like the fountain of youth, or something. That is a very long time for a drop in coil, you can afford to replace it, I'd think.
Good luck,
Anna
If you are cleaning black gunk off it to continue vaping, though, I'd still suggest swapping out that coil (after a VERY THOROUGH rinse/clean of your tank) and see if your new coil tastes or behaves differently. You can KEEP the old coil, in case it's a magic coil, rather like the fountain of youth, or something. That is a very long time for a drop in coil, you can afford to replace it, I'd think.
Good luck,
Anna