Question about Husqvarna Lawn Tractor - 54in. Deck, 26 HP, Model# LGT2654

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New Lawn mower cutting off after 40min of run time

I have a similar problem. I have a brand new LGT2554 Husqvarna that will cut off after the tank runs out a half gallon of gas. At which time the gas tank is completely full. When I top it back up to almost to the top of the cap it will run again until air gets in the top of the tank. I took it back to the dealer that sold it and they checked everything and said everything worked correctly on it.
Could this be inadequate venting for the gas tank creating a vacume?

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Sounds like you have found a possible solution to your problem. If the cap is not able to vent, it will create a vacuum. If this happens again, try just loosening the cap and see if the mower will run before filling it up again.

Posted on Sep 30, 2009

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