Updated: May 7, 2023

Troubleshooting Guide: How to Fix Gas Stove Burners That Won’t Light

Written by:
Timothy Spencer
Edited by:
Brian Dean
Fact-Checked by:
Josh Reynolds
Table Of Contents
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A gas stove is a reliable and efficient way of cooking meals, but it can be frustrating when one or more of the burners won’t light. Fortunately, many of the common causes of this problem can be easily fixed. In this guide, we’ll go over some troubleshooting steps to help you diagnose and fix the issue.

Key Highlights

Safety Precautions: Before attempting to troubleshoot a gas stove burner that won’t light, it is important to take safety precautions such as turning off the gas supply and ensuring that the stove is cool.

Check Gas Supply: Make sure the gas supply valve is open and that gas is flowing to the burner. If the gas supply valve is closed or the gas line is damaged, the burner may not light.

Clean the Burner: If the burner is dirty or clogged, it may not light. Remove the burner cap and use a soft brush or a toothbrush to clean the burner holes.

Check Ignition Switch: Check the ignition switch to ensure that it is working properly. If the switch is faulty, it may need to be replaced.

Check Spark Electrode: The spark electrode ignites the gas in the burner. Check to make sure the spark electrode is clean and properly positioned. If the electrode is dirty, gently clean it with a soft brush.

Check Spark Module: The spark module sends a spark to the spark electrode to ignite the gas. If the spark module is faulty, it may need to be replaced.

Check Ignition Wires: Check the ignition wires to ensure that they are properly connected and not damaged. Damaged ignition wires may need to be replaced.

Check Control Valve: The control valve controls the flow of gas to the burner. If the control valve is faulty, it may not allow gas to flow to the burner. Check the valve to ensure it is functioning properly.

Professional Help: If the problem persists or you are not comfortable performing the troubleshooting steps, it is recommended to seek professional help from a licensed technician to avoid potential hazards.

Part 1: Understanding How a Gas Stove Works

Before we dive into troubleshooting, it’s important to have a basic understanding of how a gas stove works. A gas stove has four basic components: the gas supply, the burner, the ignition system, and the control valve.

The gas supply is where the fuel for the stove comes from. This is usually a natural gas line that connects to the back of the stove.

The burner is where the gas is ignited to create the flame. The burner consists of a base and a cap, and the cap is removed to access the burner ports where the gas flows out.

The ignition system is what creates the spark to ignite the gas. There are several types of ignition systems, including a pilot light, a hot surface ignition, and a spark ignition.

The control valve regulates the flow of gas to the burner. This is controlled by the knob on the front of the stove, which opens and closes the valve to allow more or less gas to flow to the burner.

Part 2: Troubleshooting Steps

Now that we have a basic understanding of how a gas stove works, let’s go over some troubleshooting steps to help you diagnose and fix a burner that won’t light.

Step 1: Check for Gas Supply

One of the most common causes of a gas stove burner not lighting is a lack of gas supply. To check if this is the issue, turn on another burner on the stove. If that burner lights, then the gas supply is not the problem. If it doesn’t, check your gas supply valve to make sure it’s fully open.

Step 2: Clean the Burner

A burner that won’t light can often be fixed by simply cleaning it. Remove the burner cap and base and clean them with soap and water. Use a toothbrush to scrub any remaining debris or buildup. Once the burner is clean, dry it thoroughly and reassemble it.

Step 3: Check the Ignition System

If the burner still won’t light, the problem may be with the ignition system. Check the spark electrode and wiring for any damage or wear. If you notice any issues, replace the faulty parts.

If your stove has a pilot light, make sure the pilot light is lit. If it’s not, follow the manufacturer’s instructions for relighting the pilot light.

Step 4: Adjust the Burner

If the burner is not seated correctly, it may not ignite. Adjust the burner by repositioning it on the range. Make sure it’s level and flush with the surrounding burners.

Step 5: Check the Gas Line

A clogged gas line can also prevent a burner from lighting. Disconnect the gas line from the burner and use a small brush or pipe cleaner to clear any debris from the line. Reconnect the line and try lighting the burner again.

Step 6: Replace the Control Valve

If none of the above troubleshooting steps work, the control valve may need to be replaced. This is a more complex repair and may require a professional technician.

Part 3: Safety Tips

When working with gas appliances, it’s important to take safety precautions to prevent accidents. Here are a few safety tips to keep in mind when troubleshooting your gas stove:

Always turn off the gas supply to the stove before working on it.
Make sure the area around the stove is well-ventilated to prevent the buildup of gas.

  • Never use a match or lighter to manually light a burner.
  • Use caution when handling hot stove components, such as the burner and ignition system.
  • If you smell gas, immediately turn off the gas supply and call a professional technician.


A gas stove that won’t light can be a frustrating problem, but with some troubleshooting steps and safety precautions, many of the common causes can be easily fixed. By understanding the basic components of a gas stove and following the steps outlined in this guide, you can diagnose and fix the issue and get back to cooking your favorite meals.

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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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