Kenmore
Poor Gas Flow / Burner Contamination
Gas surface burners click but will not light, or the flame is weak or yellow.
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Possible Causes
Clogged burner ports, misaligned burner cap, low gas pressure, partially closed gas shutoff valve, wrong orifice for gas type (NG vs LP).
How to Fix / Troubleshooting
Safety first: Turn off burners and allow them to cool. Do not use sharp objects that can enlarge burner ports.
- Check burner cap:
- Ensure the burner cap is centered and seated flat on the burner base.
- Clean burner ports:
- Remove burner caps and heads.
- Use a soft brush or wooden toothpick to clear debris from each port.
- Soak burner heads in warm soapy water, then dry thoroughly.
- Verify gas supply:
- Confirm the gas shutoff valve to the range is fully open.
- If other gas appliances are weak, contact your gas supplier.
- Check gas type/orifices:
- If the range was recently converted between natural gas and LP, verify the correct surface burner orifices are installed per the conversion kit instructions.
- Test ignition:
- Reassemble burners and test. If flames are still weak or yellow, a regulator or supply issue may exist; professional service is recommended.
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Repair Difficulty
Easy
2/5
Required Part
Surface Burner Head and Cap
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