- A burnt taste means the wick ran dry for a moment. The coil heated cotton rather than liquid.
- Stop, refill and rest before you do anything else. If the next puffs are clean, the coil survived.
- If it stays harsh, the cotton is scorched. Burnt cotton can’t be rescued; fit a new coil or pod.
- Most dry hits come from four habits: not priming, chain vaping, running low on liquid and too much power.
- Thick liquid in a small coil is the hidden cause. Pod coils want 50/50; high-VG is for low-resistance coils.
Dry hit, burnt coil or gunked coil?
“It tastes burnt” covers three different problems, and the fix depends on which one you’ve got. The clue is when it started and whether it goes away.
This guide is about the first two: the dry hit and what it does to a coil. If yours is the slow, gunked kind, the coil has simply reached the end of its life; how to know when your pod or coil needs changing covers the signs, and if it happens every few days, why coils burn out fast explains what shortens coil life.
What to do the moment it tastes burnt
Act on the first harsh puff. Every extra puff on a dry wick scorches more cotton and turns a one-off into a dead coil.
- 1
Stop vaping. Don’t take “one more to check”. Put the kit down.
- 2
Check the liquid level. If it’s below the wicking ports, or less than a third full, refill it.
- 3
Let it rest. Stand the kit upright for five to ten minutes so the cotton can soak back up.
- 4
Lower the power. On an adjustable kit, drop a few watts towards the bottom of the coil’s printed range.
- 5
Test with short, gentle puffs. If they taste clean, you caught it in time. Carry on, a little slower than before.
- 6
Still harsh? Replace it. Scorched cotton won’t come back. Fit a new coil, or a new pod if the coil is built in.
On a rebuildable tank you can re-wick the coil with fresh cotton instead of replacing it. On standard coil heads and pods, replacement is the only real fix.
Why dry hits happen
Every dry hit has the same root: the coil vaporised liquid faster than the cotton could replace it. Anything that speeds up the coil or slows down the wick can tip it over.
| Cause | Why the wick runs dry | Fix |
|---|---|---|
| New coil not primed | The cotton is bone dry on the first puff | Prime, fill and wait five to ten minutes |
| Chain vaping | No time between puffs for the wick to refill | Leave a few seconds between draws |
| Low liquid level | Liquid no longer covers the wicking ports | Refill at about a third full |
| Power too high | Liquid boils off faster than it arrives | Stay inside the coil’s printed range |
| Liquid too thick | High-VG flows too slowly into small ports | Use 50/50 in pod and MTL coils |
| Cold weather | Cold liquid thickens and wicks slowly | Keep the kit in an inside pocket |
| Long, hard draws | A long puff on a small coil empties the cotton | Take steadier, shorter puffs |
An old, gunked coil also makes dry hits more likely, because tired cotton holds less liquid and refills more slowly. If you’ve been getting occasional dry hits on a coil that’s more than a couple of weeks old, a new one often cures it.
Prime every new coil properly
Skipping the soak is the quickest way to ruin a coil, because the damage happens on the very first puff. How you prime depends on your kit.
Replaceable coils (pod-plus-coil kits like the Uwell Caliburn G2, and tanks): drop three or four drops of liquid onto the cotton through each wicking port and one or two down the centre. Fit the coil, fill the pod to the max line, then wait five to ten minutes. The Caliburn G and G2 coils have visible ports that make this easy.
Built-in-coil pods (the Vaporesso Xros range, the Uwell Caliburn G3, the Oxva Xlim Pro 2 and similar): you can’t reach the cotton, so fill the new pod and leave it standing upright for ten minutes before the first puff.

Dry pulls help. On a kit with a fire button, take two or three draws after the soak without pressing the button. That pulls liquid through the cotton. Auto-draw kits fire whenever you inhale, so on those just give the soak a few extra minutes. Then start with a few short puffs at low power.
Prefilled pods come already soaked, so a burnt taste on a prefilled pod kit usually means the pod is empty or close to it. Swap in a fresh pod. If you’d like to avoid coil faff entirely, see our pick of the best prefilled pod kits to avoid burnt coils.
Match the liquid and the power to the coil
Liquid. The ratio on the bottle decides how fast liquid reaches the cotton. 50/50 suits MTL coils of 0.6 ohm and above (typically 0.6 to 1.2 ohm); high-VG 70/30 suits coils below about 0.6 ohm. A thick shortfill in a 1.0 ohm pod coil is a dry hit waiting to happen, however careful you are. For pod kits, stick to 10ml e-liquids and nic salts, and save shortfills for sub-ohm tanks. Our guide to PG/VG ratios explains the numbers.
Power. Every coil has a wattage range printed on it. MTL pod coils run roughly 0.6 to 1.2 ohm at roughly 10W to 18W, and a 0.8 ohm coil at 12W to 16W is normal, not weak. If the vapour feels thin, resist the urge to jump to the top of the range; check the coil’s age and the airflow first. Most refillable pod kits set the power automatically, so on those, liquid and draw are the things to change.
Airflow. A very tight airflow on a coil designed for a looser draw means less air cools the coil during each puff, so it runs hotter. If you’ve closed the airflow right down, open it a notch. Our guide to MTL vs DTL vaping helps you match draw and coil.
Habits that keep the wick wet
Pace your puffs. A few seconds between draws is all a healthy coil needs to refill. Long sessions of back-to-back puffs are where most dry hits come from.
Draw steadily. A smooth two to three second draw is kinder to a small coil than a long, hard pull. If you have come from a big sub-ohm kit to a small pod, this is the habit to change first, because a pod coil simply cannot wick as fast as a large tank coil.
Refill early. Refill the pod when it gets to about a third full rather than running it to empty. On many pods, the wicking ports sit low and the cotton dries quickly once the level drops.
Store it upright. A kit lying flat can leave one side of the cotton dry, so the first puff after a night in a bag is the harsh one.
Know the other noises and symptoms. A light crackle is normal and a sign the coil is working; our guide to crackling sounds while vaping explains which sounds matter. If you understand how vape coils work, the reasons behind all of these habits make sense. And a switch to a mesh coil, with its more even heat, suits some vapers who struggle with hot spots.
A fresh coil and the right liquid fix most of it
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Quick answers
It was almost certainly fired before the cotton had soaked. That scorch is permanent, so fit another coil and prime it properly, waiting five to ten minutes after filling.
Not a standard coil head or pod. Once the cotton is scorched, the taste stays. Only rebuildable coils can be re-wicked.
Either the coil is already scorched or old, the liquid is too thick for the coil, or you’re puffing faster than it can wick. Rest it, and if it stays harsh, replace the coil.
Very rarely. It’s a coil and wicking problem in almost every case. If the kit also stops producing vapour, see our guide to a vape not producing vapour.
Not in most. 50/50 suits pod and MTL coils of 0.6 ohm and above; thick high-VG liquid wicks too slowly in them and causes dry hits.





