KitchenAid Improper Air-Gas Mixture

Gas cooktop burner flame is yellow, noisy, or lifts off the burner.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Incorrect orifice for gas type, dirty burner, misadjusted air shutter, low or high gas pressure

How to Fix / Troubleshooting

Safety: Turn off burners before adjustment. Gas adjustments should be done carefully.

  • Clean burner: Remove burner cap and head; clean thoroughly with warm soapy water and dry completely.
  • Check gas type: Confirm the range is configured for your gas type (natural gas vs LP). If converted, verify correct orifices were installed.
  • Adjust air shutter (if accessible): Some models have adjustable air shutters on the burner tubes. Slightly open or close to achieve a stable blue flame.
  • Call gas technician: If flames remain abnormal, have a professional check gas pressure and conversion.
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Repair Difficulty

Medium 3/5

Required Part

Surface Burner Orifice or Air Shutter
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