Why Won't My Stove Burner Ignite or Heat?

Root cause

Grease, food debris, and spilled liquid can clog the small ports gas flows through to reach the igniter, or leave moisture on the ceramic igniter itself. Both prevent reliable ignition even though you'll usually still hear the igniter clicking normally. A burner cap that is not seated flat can also block gas flow even when the burner is clean.

30-second check

Turn the burner to “light” and watch closely. A healthy igniter produces a bright blue spark roughly twice a second. A spark with no flame points to this cause; no spark at all points to a different one below.

Tools & materials

A dry toothbrush or straightened paperclip, isopropyl alcohol and a cotton swab, a hairdryer if drying out moisture.

Step-by-step

1. 1 Turn off the burner and let it cool if it's been used recently.
2. 2 Remove the grate and burner cap and inspect for visible debris or spill residue.
3. 3 Gently clear the ports and the ignition port closest to the igniter with a dry toothbrush or straightened paperclip. Never use water directly on the igniter.
4. 4 If moisture is suspected (recent cleaning or a spill), wipe the ceramic igniter and metal base with isopropyl alcohol on a cotton swab, or, with the burner and gas shutoff off, point a hairdryer at the assembly on medium heat for 5–10 minutes.
5. 5 Reassemble and test. If you see a spark but still no flame after cleaning, check that the burner cap is seated correctly. Misalignment alone can starve the igniter of gas.
6. 6 Check that each burner cap sits flat and level on its base before you try again.

Root cause

If the igniter sparks but nothing ever lights, gas may not be getting to the burner. Common causes are a shutoff valve that was closed when the stove was moved or cleaned behind, a kinked flex line, or an empty propane tank.

30-second check

Other gas appliances (water heater, furnace, dryer) still work, but the stove sparks without lighting, and the burners and caps are clean and dry.

Tools & materials

None required.

Step-by-step

1. 1 Find the gas shutoff valve behind or beside the range and check that its handle is in line with the pipe (open).
2. 2 On propane, check the tank level.
3. 3 If other gas appliances are also dead, contact your gas utility.
4. 4 Do not disconnect or move the gas line yourself. If you smell gas at any point, follow the safety box at the top of this guide.

Root cause

An electric coil or radiant element that won't heat at all, with no other symptoms, is sometimes simply not receiving power. A tripped breaker on the stove's circuit cuts power to some or all burners depending on how the range is wired.

30-second check

Check whether every burner is affected or just one. All burners out points more toward a breaker or power issue; one burner out points toward that specific element or its connection.

Tools & materials

None required.

Step-by-step

1. 1 Check your breaker panel for the stove's circuit and reset if tripped.
2. 2 Electric ranges run on 240 volts. Switch off the breaker and confirm with a tester that the circuit is dead before touching any wiring.
3. 3 If only one electric coil element is affected, try swapping it with a working element from another position on the stove (many coil elements are interchangeable) to confirm whether the element or the socket is at fault.
4. 4 If the element works in a different socket, the original socket or its wiring is the issue. That's a point to call an electrician rather than continue investigating live wiring yourself.

Root cause

Gas igniters wear out over years of sparking and can eventually glow too weakly to ignite gas reliably, or develop a hairline crack that lets the spark escape instead of arcing properly. Electric coil elements simply burn out from age, visible as a break or blister in the coil, and can't be repaired. It can only be replaced.

30-second check

For gas, inspect the ceramic igniter tip for visible cracks. For electric, look at the coil directly for a visible crack, blister, or burn-through, or swap it with a known-working element from elsewhere on the stove.

Tools & materials

Replacement igniter or coil element matching your exact model.

Step-by-step

1. 1 Turn off power (electric) or gas and unplug/isolate the appliance before replacing any part.
2. 2 For a gas igniter, remove the burner assembly per your model's instructions and swap in the new igniter, handling it by the bracket rather than the fragile tip.
3. 3 For an electric coil, simply unplug the old element from its socket and plug in the replacement. This is typically tool-free.
4. 4 Restore power or gas and test the burner. After restoring gas, brush soapy water on the connections you touched. Bubbles mean a leak: shut the gas off and call a technician.

Root cause

In a gas oven, the igniter must draw enough current to open the gas safety valve. A weak igniter glows but never lights the burner, which is the most common reason a gas oven won't heat. In an electric oven, the bake element at the bottom can crack or burn through.

30-second check

Gas: the igniter glows but the oven never lights within a minute or so. Electric: the cooktop works, but the oven stays cold and the bake element shows a blister, break or burn mark.

Tools & materials

Screwdriver or nut driver, and a replacement igniter or element that matches your model number.

Step-by-step

1. 1 Turn the oven off and let it cool. For an electric oven, switch off its breaker. For a gas oven, close the gas shutoff before you remove anything.
2. 2 Remove the oven floor panel and look at the igniter or bake element for cracks, blisters or breaks.
3. 3 Replace it with the exact part for your model number, and re-attach the wiring securely.
4. 4 Restore power or gas, then brush soapy water on any gas connection you touched; bubbles mean a leak, so shut the gas off and call a technician. Test the oven. If you smell gas, stop and call your gas utility.

Root cause

If cleaning and a straightforward igniter or element swap don't resolve it, the fault may be in the gas valve controlling fuel flow, the spark module that powers ignition for multiple burners at once, or the range's control board. Any of these affects more than a single burner's simple wear part.

30-second check

You've cleaned the ports, ruled out breaker issues, and confirmed the igniter or element itself is good, but ignition still fails, or multiple burners are affected by the same underlying fault.

What a professional actually does

A technician tests the gas valve for proper operation, checks the spark module's output across all burners, and inspects the control board for the specific range, replacing whichever component is confirmed to have failed.