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Why Is My Disposable Vape Hissing After I Hit It

A disposable vape hissing after a puff can be disconcerting. This informative guide explores the various reasons behind this sound and offers solutions to address them. Whether it’s a harmless consequence of normal operation or a sign of a more serious issue, understanding the cause empowers you to make informed decisions about using your vape safely and effectively.



Why Is My Disposable Vape Hissing After I Hit It

If your disposable vape hisses after you hit it, it could be due to several reasons: auto-firing caused by liquid in the air intake, a hot coil continuing to vaporize residual e-liquid, differences between new and old coils affecting resistance, normal vaporization sounds, excessive e-liquid on the coil, restricted airflow, or residual build-up on the coil. To address this, consider letting the vape cool down, ensuring proper priming and storage, checking for blockages, and performing regular maintenance. If issues persist, replacing the device might be necessary.

When a disposable vape hisses after you hit it, it generally indicates one of the following issues.


If your disposable vape hisses after you hit it, it means it’s auto-firing. This is often caused by liquid getting into the air intake hole. Ensure your vape is authentic, as most disposables have QR codes on the packaging that you can scan to check. While you can still use it, the vape might spit, and it’s generally better to dispose of it and get a new one.


Cool Down Process

Similar to how stovetop elements remain hot after being turned off, the vape coil can stay hot and continue to evaporate any residual e-liquid, resulting in a hissing sound. This is especially common if the coil is new or if there’s a difference in resistance or wattage compared to the previous coil.

Differences between New and Old Coil

If the noise started with a new coil and the old one didn’t hiss, it could be due to differences in resistance, wattage, or the length of hits. Minor factory defects can cause variations in resistance levels, leading to different heating profiles. A difference in wicking might also contribute to the hissing sound.

Normal Mechanism

The coil heats e-liquid to vaporize it, which can create a sizzling or hissing sound, similar to boiling water. This is normal and can be more noticeable when fresh e-liquid contacts the hot coil or when the device has been idle and the e-liquid is reactivated.

Excessive e-liquid on the coil

Excessive e-liquid on the coil (flooding) leads to inefficient vaporization, causing gurgling or hissing sounds. This often results from over-priming or improper storage (e.g., mouthpiece down).

Airflow Problems

Restricted airflow, due to design limitations or blockages, can amplify the hissing sound. Constricted airflow causes turbulent vapor flow, which increases noise and affects vapor quality.

Residual Build-Up

Sweet or flavored e-liquids can create sticky residue on the coil and wick, leading to uneven heating. This residue can cause the coil to overheat in certain areas, resulting in hissing sounds.


How to Stop Disposable Vape Hissing After Hit

  • Auto-firing

If your vape is auto-firing, it might be best to dispose of it and get a new one. However, if you want to try to salvage it, avoid inhaling too frequently or for too long to minimize the risk of liquid getting into the air intake. Ensure your vape is authentic by scanning the QR code on the packaging. This issue is typically an indicator of a defect or malfunction.

  • Cool Down Process

Allow your vape to cool down between uses. If the hissing persists, avoid taking extended hits or vaping immediately after a session. Allow the device to rest and ensure it’s not overheating.

  • Differences between New and Old Coil

If a new coil causes more hissing, try adjusting your hit length or vaping at a lower wattage. Also, check if the coil’s resistance matches the device’s specifications. If the issue is persistent, consider contacting the manufacturer or retailer for a replacement if the vape is still under warranty.

  • Normal Mechanism

If the hissing is normal and occurs when fresh e-liquid contacts the hot coil, it’s usually not a concern. Continue using your vape as normal, but if the noise is excessive or bothersome, ensure the device is properly primed and that you’re using it as per the manufacturer’s guidelines.

  • Excessive e-liquid on the coil

To prevent flooding, avoid over-priming the coil and store the vape with the mouthpiece up. If the device is already flooded, gently tap it to help clear excess liquid and allow it to dry before use. You might also want to remove any excess e-liquid from the coil.

  • Airflow Problems

Check for any blockages or restrictions in the airflow. Clean any accessible parts of the device and ensure that the airflow holes are not obstructed. If the design of the device is causing the restriction, consider using a different vape with better airflow characteristics.

  • Residual Build-Up 

Clean the coil and wick periodically to remove sticky residue. Use e-liquids with lower sugar content or clean the coil more frequently if using sweet or flavored e-liquids. Regular maintenance can help prevent build-up and improve overall performance.


Why Is My Vape Hissing While Charging

If your vape hisses while charging, it could be due to several reasons.

  • Charging Cable or Port Issues

A loose or damaged charging cable or port can create a poor connection, causing intermittent hissing sounds. Ensure the cable and port are clean and securely connected.

  • Battery Overheating

Charging generates heat, and if the battery is overheating, it can cause hissing sounds. This might be a sign of a defective battery or charger.

  • Internal Short Circuit

A short circuit within the vape’s battery or circuitry can lead to hissing noises. This can be dangerous and indicates a potential malfunction.

  • Residual E-Liquid

If e-liquid has seeped into the device’s internal components, it can cause hissing as the liquid interacts with the heat or electrical components.

If your vape hisses while charging, monitor it closely, and if the sound persists or is accompanied by excessive heat or other issues, stop charging and consider seeking a replacement or professional inspection to ensure safety.


Why Is My Disposable Vape Hitting by Itself

If your disposable vape is hitting by itself, it could be due to one or more of the following issues.

  • Sticky Firing Button

If the firing button is stuck or jammed, it might cause the vape to fire continuously. This can happen if liquid or debris has gotten into the button area.

  • Design Flaw

Some disposables have a design flaw where the device may auto-fire if the internal components are malfunctioning or if there’s an issue with the airflow sensor.

  • Overheating

If the vape has been used continuously or exposed to high temperatures, it can cause overheating, which might lead to auto-firing.

  • Liquid Leakage

If e-liquid leaks into the device’s internal components, it can interfere with the circuitry and cause unintended firing.

  • Battery Issues

Malfunctions in the battery or internal circuitry can lead to unexpected firing.


Can Disposable Vapes Catch on Fire?

Disposable vapes do pose a fire risk, especially due to the lithium-ion batteries they contain. 

These are the same type of batteries used in many electronics, and while generally safe, they can overheat and ignite if damaged or mishandled.

Unlike refillable vapes, disposables aren’t built for user maintenance or repair. This means a higher chance of internal damage from dropping or general wear-and-tear.

Throwing disposable vapes in regular trash increases the fire risk at landfills and recycling centers. These facilities may not be equipped to handle the large volume of lithium-ion batteries safely.


How Do You Know if Your Disposable Vape Is Going to Explode?

Here are some signs that your disposable vape might be at risk of exploding.

  • Unusual firing: If your vape keeps firing even when you’re not puffing, it’s a red flag.
  • Low vapor production: As you mentioned, a significant drop in vapor production compared to normal could indicate malfunction or overheating.
  • Burning taste: A burnt taste while vaping can signal overheating or dry hits, both of which can increase the risk of explosion.
  • Bulging or dented battery: Any deformation of the battery is a serious safety hazard and a strong sign to dispose of the vape immediately.
  • Heat: If the vape itself feels hot to the touch, it’s overheating and could potentially explode.


Final Words

By identifying the source of the hissing and implementing the appropriate solution, you can ensure an optimal vaping experience with your disposable device. Remember, prioritizing safety is paramount. If the hissing is accompanied by auto-firing, burnt flavor, or leaking, it’s best to discard the vape responsibly and acquire a new one.


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