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Why is my lawnmower spewing gas out of the gas cap.?

3 Answers

Relevance
  • 5 years ago

    If it does it when you try to start the engine then you might have a stuck intake valve. If it does it when the engine is running them you might have an intake valve that is not fully closing.

  • Joe
    Lv 7
    5 years ago

    Did you overfill the tank, and park the lawnmower in the hot sun?

  • Anonymous
    5 years ago

    Old?

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