Why Does Your Oven Smell Like Gas And How To Fix It?

By Empava Appliances
updated: August. 16, 2022

There are a number of potential problems that need to be looked into if the gas oven smells like gas when it is preheating. A dirty gas oven, a malfunctioning igniter, packaging materials left in the gas oven, or clogged gas oven vents can all contribute to a gas smell while the gas oven is preheating.

The addition of odorant to the gas or propane used with the gas oven can also affect the frequency and intensity of gas smells. Sulfur or the smell of rotting eggs are indicators of a significant gas leak, which necessitates evacuation and calling the appropriate authorities.

  1. Odorant 

In order to identify a gas leak, an additive containing chemicals that produce the sulfuric or rotting eggs-like smell that we associate with natural gas is added because natural gas does not naturally have an odor or odorant.

Depending on how much of the additive has been applied and how you obtain the natural gas for your gas oven, the intensity of the natural gas fragrance can change. When your gas or propane tanks are becoming low, you are more likely to smell a strong gas odor. The degree of the smell will vary depending on when the odorant is introduced to the natural gas if it is piped into your home. A strong gas smell will often be more noticeable in homes with natural gas piping than in homes with gas or propane tanks.

Therefore, it is completely normal to smell some natural gas when you turn on your gas oven, and it is also likely that it is completely normal for the strength of the smell to change. This is because the strength of the smell simply depends on how much or when the odorant was added to the gas or propane.

The gas should ignite, though, and the smell of gas should go. You most certainly have a dangerous gas leak if you are smelling sulfur or rotting eggs on a regular basis.

  1. Gas Leak

The next steps should be taken if there is a persistent stench that is similar to sulfur or decaying eggs. A gas leak is confirmed if you also hear a hissing sound.

  • The gas oven's electricity should be turned off.
  • Put out all open flames.
  • Open as many windows and doors as you can to let in fresh air.
  • Save both people and animals. Before contacting your gas company or the appropriate emergency agencies, leave the house.
  • Do not light a flame or smoke.
  • Avoid using any electrical devices because doing so could cause a spark to ignite the gas. A lethal spark might be created even by using the phone or to start a car.
  1. Gas connections leak

Damaged gas connections to the gas oven might lead to a gas leak and associated odor. Gas can leak out of connections that are not strong and secure. Depending on the extent of the leak, the problem can frequently be fixed by shutting off the gas oven, opening the doors, and calling a qualified expert to locate and fix the connections. When gas connections are leaking, do not use the gas oven. If in doubt, always consult a qualified specialist.

  1. Failing gas igniter

In most cases, a malfunctioning igniter is to blame if you smell gas when there shouldn't be. The gas valve may not receive enough power if an igniter is malfunctioning, which causes the igniter to open slowly and not release enough gas to ignite the flame in the initial few seconds as it should. Even while the gas may eventually ignite, the malfunctioning igniter may cause you to question why you should not be smelling gas.

It is best left to a qualified professional to test and replace a gas igniter because it calls for safety precautions and technical knowledge. The gas igniter can be examined and replaced, though, if you feel confidence in your DIY abilities. Just follow the steps listed below.

  • Turn off the gas gas oven's electricity.
  • Cut off the gas oven's gas supply.
  • Remove the bottom and gas ovenracks to empty the gas oven.
  • By unscrewing the screws holding the heat shield or flame spreader to the gas ovenframe, you can remove it from the bottom of the gas oven.
  • The igniter, which is attached to the burner tube, should be found.
  • Find the wiring harness for the igniter. To reach the wire harness, you might need to remove the gas ovenpanel that the igniter rests on or a rear or lower front panel, depending on the type of gas oven.
  • Make sure the igniter can be removed without the wire harness getting tangled up in anything once you have reached the wiring harness and disconnected it.
  • The screws holding the igniter to the burner must be removed. If there is not enough space to fit a screwdriver to unthread the igniter screws, you may need to remove the entire burner assembly (igniter and burner) depending on the type of gas oven.

Check to see if the igniter is dirty after you've removed it. If it's filthy, you might be able to clean it to fix the issue. It is recommended to have a qualified technician inspect the igniter because it can be challenging to clean it without breaking it.

It is necessary to check the igniter's continuity with a multimeter to see if it is damaged. The multimeter is probably operating properly if it displays a reading of resistance between 0 and 1100 ohms. The igniter needs to be replaced if the multimeter does not register any readings (or only very slight detections).

  1. Packaging materials

If the gas oven was just installed, it can still include packaging materials that are heating up and burning when the preheating feature of the gas oven is activated. In this situation, you need to shut off the gas oven right away. Before attempting to use the gas oven again, the packaging items must be taken out of it.

  1. Dirty gas oven

A dirty gas oven is frequently the cause of gas oven scents. If you don't make it a habit of cleaning the gas oven on a regular basis and wiping up spills before they set, the dirt may burn or obstruct the gas flow, resulting in strange odors and gas oven issues. When cleaning the gas oven, be sure to adhere to the manufacturer's recommendations for cleaning supplies.

  1. Blocked vents

An odd odor, probably gas, coming from the gas oven could be the result of something covering the vents, such as a removable gas oven mat or food residue. Check the gas oven for anything that might be blocking the vents or generating the strange stench in order to fix the problem.