1.Do proper priming of coil with the E-liquids add 10 to 20 drops in that so cotton inside the coil will properly suck the e-liquids.
2.Try new coil because once the cotton Inside the coil is getting burned while vaping you have to change the Coil.
3.Use Different VG/PG Ratio because its depends on your body requirements weather its suits to you or not.
4.Just unscrew the coil little so that there is an airflow generate and burning issue will solve.
5.Keep your device in upright position(vertically) and not in sleeping position(horizontally)
6.First, make sure the coil has been primed correctly. After placing 5 drops of e-liquid on the coil and screwing in place (I unscrew it just slightly) you need to take 3 to 5 drags on it WITHOUT pressing the fire button. This will draw up more e-liquid into the coil. If you have gurgling and popping, you can pull the mouthpiece tip out and use a cotton swab to remove the excess e-liquid from the bowl.
All this things are not 100% Work with your case, its exprimental but 90% it’s Works sucessfully.