Weber Incomplete Combustion / Rich Burn

Grill produces excessive white smoke and sooty residue on food.

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Possible Causes

Restricted combustion air, Wet or oily pellets, Overfilled fire pot, Weak combustion fan

How to Fix / Troubleshooting

Safety first: Operate the grill outdoors in a well-ventilated area. Allow it to cool before cleaning.

  • Use quality pellets: Replace pellets with dry, food-grade hardwood pellets. Avoid pellets with additives or excessive oils.
  • Clean fire pot: Remove ash and unburned pellets from the fire pot to prevent smoldering.
  • Check air passages: Ensure the air intake and exhaust stack are clear of grease and debris.
  • Inspect combustion fan: Confirm the fan runs at full speed and blades are clean. Replace the fan if airflow is weak.
  • Run at higher temp briefly: After cleaning, run the grill at a higher temperature (e.g., 350–400°F) for 15–20 minutes to burn off residual soot.
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Repair Difficulty

Easy 2/5

Required Part

Combustion Fan Motor
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