--- title: "Oven Gas Smell: Causes and Fixes | OvenRepair.center" description: "You notice a rotten-egg or sulfur odor near the gas wall oven, whether it is baking, preheating or switched off." url: "https://ovenrepair.center/problems/oven-gas-smell/" --- # Oven Gas Smell You notice a rotten-egg or sulfur odor near the gas wall oven, whether it is baking, preheating or switched off. ## A gas smell means out of the house first; otherwise, breaker off A lasting gas smell is an emergency. Leave the home, avoid anything that can spark, and call the gas utility or 911 from outside. Do not try to find the leak, turn a valve or restart the oven. The oven is looked at only after the utility has made the home safe. ## What it usually means. Natural gas and propane have no smell of their own, so the utility adds a sulfur-like odorant precisely so that a leak announces itself. A faint whiff for a second or two while a gas oven lights can be normal, because a little gas reaches the burner before the flame catches. A smell that lingers, grows, or is there while the oven is off is different: it can mean gas escaping at a fitting, a valve that does not close fully, or a burner that is not lighting while gas still flows. None of these is a homeowner repair, and the first step is always to get people out and let the gas utility make the home safe. The 5 causes, cheapest first Answer these first 01 Is the smell only a brief puff as the oven lights, or does it stay in the kitchen? 02 Is it there with the oven switched off, or only while it bakes or broils? 03 Can you hear a hiss near the oven cabinet or behind the wall? 04 Did the oven take longer than usual to light before the smell started? 05 Has the oven been moved, reinstalled or worked on recently? ## Check these before you book. Oven gas smell: 5 checks, and none of them costs anything. 01 If the smell is strong or lasting, leave the home now with everyone, pets included, and do not stop to open windows. 02 Do not touch the oven controls, light switches, phones or anything that can spark on your way out. 03 Call the gas utility's emergency line or 911 from outside, well away from the house. ### Also worth checking - Stay out until the utility says the home is safe; they shut off and test the gas, not you. - Once cleared, tell us what the utility found and whether they tagged the oven off before you book. ## The causes, cheapest first. 5 things oven gas smell turns out to be, from burn-off on a new or cleaned oven to leak at the supply connector or a fitting. [The cost guide](https://ovenrepair.center/cost/) 1. 01 no repair ### Burn-off on a new or cleaned oven Oil left from the factory, or residue after a cleaner, gives a sharp smell the first few times an oven heats. It smells hot and chemical rather than of sulfur, and it fades with use. When in doubt, treat the smell as gas. No repair: check it yourself 2. 02 low to moderate ### Weak igniter letting gas collect before it lights On many gas ovens the igniter must glow hot enough before the valve opens fully. One that is getting weak lights late, and gas that gathered in the meantime lights with a soft whoomp and leaves an odor behind. [Fixed by gas igniter and burner repair](https://ovenrepair.center/services/gas-igniter-and-burner-repair/) [See oven not heating](https://ovenrepair.center/problems/oven-not-heating/) 3. 03 low to moderate ### Burner flame going out during a cycle A burner that is clogged, misaligned or starved of air can lose its flame while the oven keeps calling for heat. The oven stops warming and the kitchen smells of gas at the same time. [Fixed by gas igniter and burner repair](https://ovenrepair.center/services/gas-igniter-and-burner-repair/) 4. 04 moderate ### Oven safety valve not closing The valve that feeds the bake and broil burners should shut completely when the flame is not called for. A valve that seeps lets a small amount of gas through with the oven off. [Fixed by gas igniter and burner repair](https://ovenrepair.center/services/gas-igniter-and-burner-repair/) 5. 05 varies ### Leak at the supply connector or a fitting The flexible connector and the fittings behind a wall oven can loosen or crack, especially after the oven was pulled out of its cabinet. The gas utility finds and isolates the leak first; the repair to the oven side follows once the home is safe. [Fixed by gas igniter and burner repair](https://ovenrepair.center/services/gas-igniter-and-burner-repair/) 6. What it costs ### Every repair on the site's cost scale, side by side Open the cost guide ## What else it could be. Most often confused with oven not heating, then oven burning smell. [All problems](https://ovenrepair.center/problems/) ### Oven Not Heating 6 causes Gas, fire or electrical risk ### Oven Burning Smell 5 causes ### Oven Slow to Preheat 5 causes Gas, fire or electrical risk ### Oven Won't Turn Off 5 causes ## The makes it happens on. 30 makes on this site; oven gas smell can show up on any of them. Each mark opens that make's own page. [All 30 brands](https://ovenrepair.center/brands/) ## Oven Gas Smell, where we come out. 9 metros, each with its own page. 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Is that a leak? A short puff at ignition is common on gas ovens and usually fades within seconds. If it lasts, gets stronger over the months, or comes with a loud whoomp as the burner catches, have the ignition looked at, and if the smell ever stays, leave and call the utility. ### Should I open the windows before I leave? No. Getting everyone out comes first, and every minute spent inside is a minute near the gas. The utility ventilates and tests the home when they arrive. ### Will the gas utility charge to come out for a smell? Most US gas utilities respond to a reported leak as a safety call. Ask them when you call, but never let the question delay the call. ### Does a carbon monoxide alarm detect a gas leak? No. A carbon monoxide alarm reacts to a product of burning, not to unburned natural gas or propane. Your nose, and a separate combustible gas detector if you have one, are what catch a leak. --- **[Read on the site: Oven Gas Smell: Causes and Fixes | OvenRepair.center](https://ovenrepair.center/problems/oven-gas-smell/)** **[Book a visit with OvenRepair.center](https://ovenrepair.center/schedule/)**