Why does a vape taste burnt?

Why does a vape taste burnt?

A burnt taste usually means the wick inside the coil is dry or already scorched. This is one of the most common issues pod device users may experience. In many situations, it can be prevented or resolved by checking the e-liquid level, slowing down between puffs, or replacing the pod or coil.

This guide explains why burnt taste happens. What causes dry puffs? What you can do to help maintain your device properly?

What Causes a Burnt Taste?

Inside many pods or coils, there is a wick. It is often made from cotton or another absorbent material. The wick absorbs e-liquid and carries it to the heating element. When the wick stays wet, the coil heats the e-liquid and produces vapor. The wick becomes dry if does not have enough e-liquid. When heat is applied to a dry wick, the wick, it may scorch and create a sharp, unpleasant burnt flavour called dry puff.

Saturated Wick vs Dry Wick

A saturated wick has enough e-liquid to vaporise evenly. A dry wick does not have enough liquid reaching the coil. This may begin to scorch when heated.

  • Saturated wick: The wick has enough liquid and the coil can vaporise the e-liquid normally.
  • Dry wick: The liquid supply is too low or too slow, causing the wick to overheat and scorch.

Common Reasons for Burnt Taste

1. The Wick Is Dry or Under-Saturated

If the device is used repeatedly in quick succession, the wick may not have enough time to absorb more e-liquid between puffs. When the coil heats again, the wick may be too dry.

2. The E-Liquid Level Is Too Low

Part of the coil may no longer be properly supplied with liquid when the e-liquid level drops below the wick openings. Without enough liquid to absorb and cool the heat, the wick can overheat and produce a burnt taste.

3. The Coil Is Being Overpowered

Some devices allow temperature adjustments. Each coil is designed to operate within a specific power range. If the power is set too high, the coil may produce more heat than the wick can handle and even when there is enough e-liquid in the pod.

4. The Coil or Pod Is Old

Pods and coils are consumable parts. Residue may build up and the wick material can wear out over time. When a coil reaches the end of its usable life, it may produce a burnt flavour even after refilling.

What About Dry Puff Conditions?

Research has found that aldehyde emissions may increase significantly when e-cigarettes are used under dry puff conditions. Emissions are lower when devices are used under normal conditions with appropriate liquid supply and puffing behaviour. This is one reason why users should avoid continuing to use a pod or coil that tastes burnt.

How to Fix a Burnt Taste

Start with the simplest cause first, as it is often the most likely explanation.

1. Check the E-Liquid Level

If you are using a refillable pod, make sure there is enough e-liquid in the pod. Refill before the liquid level becomes too low. If you are using a disposable product that is nearly empty, discontinue use according to the manufacturer's instructions.

2. Slow Down Between Puffs

Allow a short pause between puffs so the wick has time to absorb more e-liquid. Rapid repeated puffing may dry the wick faster than it can resaturate.

3. Lower the Power Setting

If your device has adjustable settings, make sure the wattage or temperature is within the coil's recommended range. Lowering the setting may reduce excess heat and help prevent dry hits.

4. Replace the Coil or Pod

Burnt taste may not go away if the wick has already been scorched. In that case, replace the coil or pod according to the manufacturer's instructions.

5. Stop Using the Device if the Problem Continues

Stop using if the burnt taste continues after checking the e-liquid level, adjusting use, and replacing the pod or coil. A persistent burnt taste may indicate a damaged coil, worn pod, or another device issue.

How to Prevent Burnt Taste in the Future

To help prevent dry hits and burnt flavour:

  • Do not let the e-liquid level become too low.
  • Avoid rapid repeated puffing.
  • Use the coil within its recommended wattage range.
  • Prime new pods or coils before first use.
  • Replace coils or pods when flavour becomes muted or burnt.
  • Follow the manufacturer's instructions for your specific device.

Frequently Asked Questions

What happens if I only get a burnt taste after a few puffs?

This usually means the wick has not absorbed enough liquid between puffs, or the e-liquid level is too low. Try allowing more time between puffs and checking the liquid level.

Can a burnt coil be repaired?

No. Once the wick material is scorched, it normally cannot return to its original condition. The coil or pod should be replaced according to the manufacturer's instructions.

If it tastes burnt, is something wrong with the device?

Not necessarily. A burnt taste is often related to low liquid level, dry wick, incorrect power setting, or an old coil. However, if the problem continues after replacing the pod or coil, stop using the device and follow the manufacturer's guidance.

How often should a coil be replaced?

This depends on the coil type, device, and usage. A burnt taste, muted flavour, reduced vapour, or poor performance after refilling may indicate that the coil or pod needs replacement.

Sources

  • Farsalinos et al. (2015), High levels of aldehydes are produced by e-cigarettes only in “dry puff” conditions, Addiction.
  • Carbonyl Emissions in E-cigarette Aerosol: A Systematic Review, Frontiers in Physiology.
  • PMC article on aldehydes and the contribution of e-liquids to aldehyde generation in electronic cigarettes.

Final Note

This article is intended for educational purposes only and is not intended to encourage vaping or promote any particular product. The Smokefree Environments and Regulated Products Act 1996 in New Zealand only allows vaping products to be purchased by adults aged 18 years or older.

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