DuroStar Fuel Vapor Leak / Venting Issue

Strong raw fuel smell around the generator with no visible liquid leak.

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Possible Causes

Faulty fuel tank cap vent, Overfilled fuel tank, Carburetor flooding, Loose fuel connections allowing vapor escape

How to Fix / Troubleshooting

Safety first: Shut down the generator and keep ignition sources away. Ventilate the area thoroughly.

  • Check tank level: Ensure the fuel level is below the filler neck. If overfilled, allow level to drop through normal use.
  • Inspect fuel cap: Examine the cap seal and vent. Replace the cap if the seal is cracked or if the vent is stuck closed or open.
  • Check carburetor: Look for signs of flooding (wet carburetor throat, fuel odor at air filter). If flooding is suspected, service or replace the carburetor.
  • Verify hose connections: Tighten all fuel line connections to minimize vapor escape.
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Repair Difficulty

Easy 2/5

Required Part

Fuel Tank Cap
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