well,may be most of vapers will get the Burnt Taste within short using time.so why you will get this bad taste of vape,the mainly reason below:

1.vape too frequently

2.setting not right

3.did not prime Coil before vape

4.E juice not enough

5.Coils defect

so how to try our bet to avoid the burning taste?from the experience vapers’s advice below:

1.try to inhale for several puffs without power on while using a new core or left the tank sits for about 15mins.
2prime the coil with low wattage for first several puffs.

So if you did like this,you will never got burning taste during your vaping.