Updated: April 8, 2023

Common Gas Cooktop issues and how to solve them?

Written by:
Timothy Spencer
Edited by:
Brian Dean
Fact-Checked by:
Josh Reynolds
Table Of Contents
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Why Gas Cooktop Maintenance Matters

Gas cooktops are popular in many households for their precise temperature control, instant heat, and compatibility with various cookware. However, like any appliance, gas cooktops can experience issues over time. By understanding common problems and learning how to solve them, you can maintain your cooktop’s performance, safety, and longevity.

Common Gas Cooktop Issues and Solutions

Burner Won’t Ignite

One of the most common gas cooktop issues is a burner that won’t ignite. This can be caused by several factors:

  • Blocked burner ports: Clean the burner ports with a toothpick or a thin, stiff wire to remove any debris.
  • Faulty igniter: Test the igniter by turning on another burner. If it doesn’t spark, replace the igniter.
  • Gas supply issues: Ensure the gas valve is open and the cooktop is receiving gas.

Weak or Uneven Flame

A weak or uneven flame can be caused by:

  • Clogged burner ports: Clean the burner ports as described above.
  • Low gas pressure: Contact your gas supplier to check the gas pressure.
  • Air shutter adjustment: Adjust the air shutter on the burner to achieve the right air-to-gas ratio, resulting in a strong, blue flame.

Burner Goes Out After Ignition

If your burner ignites but goes out shortly after, consider the following solutions:

  • Check the flame stability: Ensure the flame is stable by adjusting the air shutter.
  • Clean the burner cap: Remove and clean the burner cap, as accumulated debris may be affecting the flame.
  • Inspect the thermocouple: If your cooktop has a thermocouple, it may be faulty and need replacement.

Gas Leak

A gas leak is a serious safety concern and should be addressed immediately. If you smell gas or suspect a leak:

  • Turn off the gas supply valve.
  • Open windows and doors for ventilation.
  • Avoid using electrical devices, matches, or lighters.
  • Contact a professional gas technician to inspect and repair the leak.

Gas Cooktop Knob Issues

Knob issues can make it difficult to control your cooktop. Common knob problems and solutions include:

  • Stuck knobs: Apply a silicone-based lubricant to the knob stem to loosen it.
  • Cracked or broken knobs: Replace damaged knobs with new ones.
  • Loose knobs: Tighten the screws or replace worn components as needed.

Yellow or Orange Flame

A yellow or orange flame indicates an improper air-to-gas mixture. To resolve this issue:

  • Adjust the air shutter to achieve the right air-to-gas ratio.
  • Inspect the burner ports for clogs and clean them as necessary.
  • Check for a gas pressure issue and contact your gas supplier if needed.

Gas Cooktop Maintenance Tips

To minimize issues and prolong the life of your gas cooktop, follow these maintenance tips:

Clean the burners and grates:

Remove the burners and grates from the cooktop and clean them thoroughly with warm water and soap. Stubborn stains can be removed with a mixture of baking soda and water. Be sure to rinse everything thoroughly and dry it completely before reinstalling.

Check the gas supply:

If you notice a weak flame or a gas odor, turn off the gas supply and contact a professional for assistance. A weak flame could indicate a clogged burner or gas line, while a gas odor could be a sign of a gas leak.

Keep the area around the cooktop clean:

Wipe down the area around the cooktop regularly to prevent dust and debris from accumulating. This will help prevent airflow blockages that can cause problems with the burners.

Avoid harsh chemicals:

Avoid using harsh chemicals, such as ammonia or bleach, to clean your cooktop. These chemicals can damage the surface of your cooktop and cause discoloration.

Use the right cookware:

Use cookware that is suitable for use on a gas cooktop. This includes cookware with flat, even bottoms that sit securely on the burners.

By following these tips, you can help prevent issues with your gas cooktop and ensure that it lasts for many years.


By understanding common gas cooktop issues and their solutions, you can troubleshoot problems and maintain the performance and safety of your appliance. Regular maintenance and timely repairs will ensure your
gas cooktop remains a reliable and efficient part of your kitchen for years to come. So, keep this guide handy and stay proactive in addressing any concerns with your gas cooktop. And remember, when in doubt or dealing with more complex issues, always consult a professional gas technician to ensure the safe operation of your cooktop.

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This article has been drafted by Team BurnEssa. This said team comprises of experts in their relevant fields having sole objective of providing a solution based on facts and figures. We are also running a local store with regard to providing certified services of Gas Cooktop repair & installation. So the advices we provide in this forum are legitimate and genuine to the extent of our best knowledge, experiences and expertise. You can join us on our social media platforms to contribute in helping others.
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