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🔥 Burners Won't Light

Gas Burners Won't Light in Petaluma, CA

A gas burner that clicks but never lights, or won't click at all, usually comes down to one of two causes: something blocking the flame, or a failed electrical part.

Call: (707) 790-5050

If you smell gas at any point, stop and leave the house immediately, call 911, then PG&E at 1-800-743-5000, before calling us. Otherwise, call (707) 790-5050 for same-day service.

Diagnosis

Why won't my gas burner light?

Two common causes. Clogged ports, food and grease blocking the small holes around the burner cap, and a faulty igniter switch specific to that burner, while the others light normally.

Clogged Burner Ports

The burner cap has a ring of small holes the gas flows through before ignition. Food debris, boil-overs, and grease block these ports over time, especially on the burner used most often for daily cooking.

Signs this is the cause: burner clicks normally and you may smell a small amount of gas, but the flame doesn't catch, or catches unevenly around only part of the ring.

Typical repair cost: $0, cleanable, $80–$150 if parts need replacing

Faulty Igniter Switch for That Burner

Each burner typically has its own separate igniter switch. When one burner's switch fails, that burner won't click or spark at all, while the other burners on the same range light normally.

Signs this is the cause: one specific burner doesn't click or spark, while every other burner works fine.

Typical repair cost: $80 – $200

Moisture on the Igniter

A recent spill, deep clean, or high humidity can leave moisture on the igniter, temporarily preventing it from sparking. This often resolves on its own once the igniter fully dries.

Typical repair cost: $0, wait and retry

Faulty Spark Module

On ranges where multiple burners share a single spark generator module, a failure here can affect more than one burner at once, rather than just one.

Signs this is the cause: multiple burners fail to spark at the same time.

Typical repair cost: $100 – $250

Gas Supply Issue

If no burner on the range will light, and you don't smell gas at all when you turn the knob, the gas supply itself, a closed valve or a supply-side issue, may be the cause rather than the range.

Before You Call

What to check first

Remove the burner cap and grate, then clean the ports.

Use a soft brush or a toothpick to clear the small holes around the ring. Make sure everything is completely dry before relighting, since moisture alone can prevent ignition.

Note whether it's one burner or all of them.

One burner failing points to that burner's specific igniter switch. All burners failing at once points to the spark module or the gas supply.

Check for a smell of gas without ignition.

A brief gas smell followed by no flame usually confirms the igniter is the fault, not the gas supply.

Repair Costs

Gas burner repair cost, Petaluma 2026

Cause	Typical Repair Cost
Clogged ports (cleaned on visit)	$0 – $80
Single igniter switch	$80 – $200
Shared spark module	$100 – $250

Exact price confirmed after diagnosis. Gas connections are always verified secure before we leave.

What should I do if I smell gas near my range?

Leave the house immediately, call 911, then call PG&E at 1-800-743-5000, before calling an appliance repair service. Never use a match or lighter to check for a gas leak. The CPSC also recommends a carbon monoxide alarm on every level of the home and an annual professional inspection of gas appliances.

FAQ

Burners won't light, questions

The burner cap may not be seated correctly after cleaning. Make sure the cap sits flat and centered before testing. If it still won't light, the igniter switch for that burner has likely failed.

Yes. Since most ranges give each burner its own igniter switch, a single failed switch affects only that one burner while the rest continue working normally.

Yes, this is one of the safest and most effective self-checks. Remove the cap and grate, clear the small holes with a soft brush or toothpick, and make sure everything is fully dry before relighting.

Not an emergency on its own, as long as you don't smell gas. If you do smell gas at any point, treat it as urgent and follow the gas safety steps above.

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