Champion Exhaust Fume Intrusion / CO Hazard

Strong exhaust fumes or possible carbon monoxide smell near windows or doors when generator runs

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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

Improper generator placement, exhaust outlet aimed toward building openings, blocked exhaust extension, prevailing winds pushing fumes toward home

How to Fix / Troubleshooting

Safety first: If carbon monoxide is suspected, shut down the generator immediately, evacuate the building, and ventilate. Do not re-enter until it is safe.

  • Verify installation clearances: Confirm the generator is installed at the minimum distance from windows, doors, and vents as specified by Champion and local codes.
  • Check exhaust direction: Ensure the exhaust outlet is not aimed directly at the home or under decks or overhangs.
  • Inspect exhaust extensions: If extensions are installed, verify they are not blocked or leaking.
  • Install CO detectors: Ensure working carbon monoxide detectors are installed inside the home per code.

Relocating or reconfiguring the exhaust should be done by qualified installers following Champion guidelines.

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Repair Difficulty

Hard 4/5

Required Part

Exhaust Extension Kit
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