Help & Guidance — Purple Haze MK
Why Does My Rechargeable Vape Taste Burnt?
A burnt taste from a rechargeable vape is most commonly caused by an unprimed new coil, a coil that has reached the end of its life, low e-liquid in the pod or tank, or wattage set above the coil's recommended range. All four are fixable — and most can be prevented entirely with the right habits from the start.
A rechargeable vape tastes burnt when the coil — the heated wire or mesh element inside the pod or tank — fires without enough e-liquid saturating the cotton wick. When the coil heats dry cotton instead of liquid, the cotton scorches and produces a harsh, acrid taste. On a new coil this almost always means the coil was not primed — given time to fully absorb e-liquid before first use. On an older coil it usually means the coil has reached the end of its effective lifespan and the cotton has accumulated enough residue and degradation to no longer vaporise liquid cleanly. Other causes include the tank running too low on liquid, wattage set above the coil's rated range, and chain vaping. Unlike disposables, rechargeable vapes give you the ability to fix all of these: change the coil, refill the tank, adjust the wattage and change your vaping pace.
The Most Common Causes and How to Fix Each One
Unprimed new coil — burnt from first use
Most commonA new coil contains dry cotton. If you install it, fill the pod or tank and immediately start vaping, the cotton is not yet saturated. The first puffs heat dry material rather than liquid, scorching the cotton. Once cotton has burned it retains that flavour even after the wick saturates — which is why a poorly primed coil continues to taste burnt even after adding more liquid.
Fix: Prime the coil before first use. Add 3 to 4 drops of e-liquid directly onto the exposed cotton wick ports. Fill the tank or pod. Wait 10 to 15 minutes for the cotton to fully absorb liquid. Then take 3 to 5 gentle puffs without firing (no power) to draw liquid through. Start at the low end of the wattage range for your first proper puffs.Worn-out coil past its lifespan
Very commonEvery coil has a finite lifespan — typically 1 to 4 weeks depending on device type, e-liquid sweetener content and how heavily you vape. Over time the cotton accumulates residue (gunk) from e-liquid ingredients, the mesh or wire oxidises and the cotton degrades. The result is progressively worse flavour that starts as slightly muted, develops a slightly acrid aftertaste and eventually becomes a consistent harsh burnt taste. A coil that is past its life cannot be restored by adding more liquid or adjusting settings.
Fix: Replace the coil. If your device uses replaceable coils, fit a new one and prime it properly before use. If your device uses pre-built pods with integrated coils, replace the whole pod. Typical coil replacement frequency: weekly for heavy vapers using sweet e-liquids, fortnightly to monthly for moderate vapers using lighter flavours.E-liquid running low — exposed wicking ports
Very commonAll coils and pods have wicking ports — small holes or slits through which e-liquid enters the cotton wick from the tank or pod. When the liquid level drops below these ports, air enters the wick instead of liquid. The coil then heats partially dry cotton, producing burnt hits that become increasingly frequent as the liquid falls further. The wicking ports should always be covered by liquid.
Fix: Refill the tank or pod before the liquid drops below the wicking ports — typically when the liquid reaches the lower quarter of the tank. Do not vape a device dry. If using a pod system without a visible tank window, refill regularly based on usage rather than waiting for burnt hits to signal it is low.Wattage set too high
Common on variable-wattage devicesEvery coil has a rated wattage range printed on it — for example "20 to 30W." If your device is set above the coil's rated maximum, it vaporises e-liquid faster than the wick can replace it, causing the cotton to run dry mid-puff. High wattage also runs through coils much faster, degrading them in days rather than weeks. Newer vapers with variable-wattage devices often set wattage too high thinking more power means better flavour.
Fix: Check the wattage range printed on your coil and set your device within this range — starting toward the lower end and increasing only if you want a warmer vape. For pod systems without wattage control, use e-liquids in the correct VG/PG ratio for your device.Wrong e-liquid VG/PG ratio
Common when switching liquidsHigh-VG e-liquids (70% VG and above) are thick and viscous. In small pod systems and MTL devices with narrow wicking ports, thick liquid cannot wick fast enough to keep pace with heating. The wick starves even when the tank is full, producing burnt hits. High-PG or 50/50 liquids are much thinner and wick rapidly — suitable for all devices. High-VG liquids need devices with wide wicking channels designed for sub-ohm vaping.
Fix: Match your e-liquid to your device. Pod kits and MTL devices: use 50/50 or nic salt liquids. Sub-ohm tanks and high-power pod mods: use high-VG shortfill liquids. If you switched e-liquids and the burnt taste started immediately, the VG ratio is the likely cause.Sweet e-liquids gunking the coil
Accelerates coil degradationE-liquids containing sucralose sweetener — common in candy, dessert, cola and fruit sweet flavours — caramelise onto the coil mesh with every use, building up residue that restricts liquid flow and concentrates heat. This dramatically shortens coil lifespan. A coil might last three to four weeks with a menthol liquid but only five to seven days with a heavy sweet flavour.
Fix: Rotate menthol, tobacco or non-sweetened fruit flavours into your rotation to extend coil life. If you exclusively use sweet flavours, budget for more frequent coil replacement — weekly rather than fortnightly — and accept this is a cost of your preferred flavour style.68% of vapers report ruining a new coil within the first ten puffs due to inadequate priming — always add drops to the wick and wait 10 to 15 minutes before first use
Typical coil life depends on vaping frequency and e-liquid sweetener content — sweet flavours degrade coils far faster than menthol or tobacco liquids
Never let e-liquid drop below the coil's wicking ports — refill when the tank reaches a quarter full to avoid wick starvation and burnt hits
How to Prime a Coil Properly: Step by Step
Add drops directly to the cotton
Locate the wicking ports — the small holes or exposed cotton areas on the side of the coil. Add 3 to 5 drops of your e-liquid directly onto each visible cotton section. This manually pre-saturates the most critical areas of the wick.
Fill the tank or pod
Fill your tank or pod with your chosen e-liquid. Ensure liquid covers the wicking ports completely. Cap or seal the pod properly.
Wait 10 to 15 minutes
Do not vape immediately. Set the device aside for 10 to 15 minutes and let the cotton fully absorb liquid through capillary action. The thicker the cotton and the higher the VG ratio of your liquid, the longer this takes — 15 minutes is safer than 10 for high-VG liquids.
Take 3 to 5 cold primer draws
Without activating the device, take slow, gentle draws through the mouthpiece. This creates suction that draws liquid through the wick mechanically, further saturating the cotton before any heat is applied.
Start at low wattage and build up
For your first 3 to 5 proper puffs, set the device to the lowest end of the coil's recommended wattage range. This generates less heat initially, allowing the wick to stay ahead of the liquid demand. Gradually increase wattage over subsequent sessions to your preferred setting.
Signs It Is Time to Replace the Coil vs Signs It Can Be Fixed
Replace the coil — these cannot be fixed
- Consistent burnt taste despite full tank
- Increasingly muted or flat flavour over several days
- Dark brown or black residue visible on the coil
- Unusual metallic or chemical taste alongside burning
- Reduced vapour production with a full tank
- Coil has been in use for more than 3 to 4 weeks
- Burnt taste present even at low wattage
Fixable — adjust before replacing
- Burnt taste only when chain vaping
- Burnt taste immediately after fitting new coil — prime it
- Burnt taste only when tank is nearly empty — refill
- Burnt taste that disappears after pausing for 5 minutes
- Burnt taste only at current high wattage — reduce power
- Slightly off flavour after switching e-liquids — wrong VG/PG ratio
Once cotton inside a coil has genuinely burned — not just been heated dry briefly, but actually scorched black — no amount of additional liquid will remove that taste. The burn marks hold onto the acrid flavour and release it into every subsequent puff. This is why it is worth spending the 10 to 15 minutes priming a new coil properly: a coil burned in the first puff due to insufficient priming often needs replacing before it has even started delivering good flavour. The investment of 15 minutes of priming time can save you the cost of an additional coil replacement.
Part of Our Guide
Help & Guidance Centre
This article is part of the Purple Haze MK Help and Guidance Centre. For more vaping guidance, visit the Purple Haze MK Help and Guidance Centre.
Frequently Asked Questions
Can I fix a burnt coil by rinsing it?
Rinsing a burnt coil in warm water and drying it is sometimes suggested as a temporary fix. In reality, once cotton has scorched the burnt flavour compounds are absorbed into the fibres and cannot be fully removed by rinsing. Rinsing may temporarily reduce the taste slightly by removing surface residue, but it does not restore the coil to its original performance. If your coil is producing a consistent burnt taste, replacement is the only reliable solution.
How often should I change my coil?
For most pod kit users vaping regularly with standard e-liquids, every two to four weeks is a typical replacement frequency. Heavy vapers using sweet, dessert or candy flavours may need to replace weekly. Light vapers using menthol or tobacco liquids may comfortably extend to monthly replacement. The clearest signal is taste — when flavour starts to become muted, slightly off or develops any hint of burnt taste, that is the coil telling you it is ready to be replaced. Waiting until the burnt taste is strong means vaping on a degraded coil longer than you needed to.
Why does my vape taste burnt right after charging?
Some rechargeable vapes deliver a brief voltage surge in the moments immediately after charging completes. This temporary higher output can overheat the coil and produce a burnt taste on the first post-charge puff. The fix is simple: after plugging out from charging, take one or two very gentle, short primer puffs before your first normal draw. This allows the coil to settle to its normal operating temperature and prevents the post-charge surge from scorching the wick.
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