Broil King Incomplete Combustion / Poor Airflow

Grill produces excessive white smoke and struggles to reach temperature

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Possible Causes

Combustion fan partially blocked, Firepot air holes clogged with ash, Exhaust vent restricted, Wet or low-quality pellets

How to Fix / Troubleshooting

Safety first: Allow the grill to cool before cleaning internal components.

  • Clean firepot: Remove ash and ensure all air holes in the firepot are open.
  • Inspect combustion fan: Check the fan intake and outlet for grease or debris. Clean the fan blades carefully.
  • Check exhaust: Make sure the chimney cap is not fully closed and that the chimney and exhaust ports are free of soot buildup.
  • Use quality pellets: Replace pellets with a fresh, dry, premium hardwood brand recommended for Broil King pellet grills.
  • Test burn: Run the grill at a medium setting and observe smoke. A thin blue smoke indicates proper combustion.
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Repair Difficulty

Easy 2/5

Required Part

Combustion Fan Assembly
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