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Snowblower leaking gas

01 - Snowblower Carburetor Bowl Gasket

The carburetor bowl gasket might be dried out or missing. If the leak is coming from the bottom of the carburetor, try replacing the carburetor bowl gasket.
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02 - Snowblower Carburetor Gasket

The carburetor gasket might be dried out or missing. If the leak is coming from the bottom of the carburetor, try replacing the carburetor gasket.
Highly Likely

03 - Snowblower Carburetor

The carburetor might be cracked, or the carburetor float might be stuck open. Over time, the carburetor can develop cracks due to the vibration and heat of the engine. If the carburetor is cracked, it will leak fuel. Inspect the carburetor for cracks or corrosion. If the main body of the carburetor is cracked, you will most likely have to replace the carburetor. If the carburetor is not cracked or damaged, inspect the carburetor float to see if it is stuck open. If the float is stuck open, remove the carburetor and clean it thoroughly. If cleaning the carburetor is not effective, rebuild or replace the carburetor.
Highly Likely

04 - Snowblower Fuel Filter

If the snowblower leaks gas, check the connections to the fuel filter and the filter housing itself. If it has a crack, replace it, don't try to repair it. If any of the fuel lines are dry or cracked replace them completely, don't try to cut off a piece and reattach it because the rest of the tubing might also have cracks or defects.
Common

05 - Snowblower Fuel Pump

If the snowblower engine leaks gas, check the fuel pump. Be certain the fuel lines and pulse line fit tightly on the fuel pump. Also, check for cracks or pinholes in the fuel pump body.
Common

06 - Snowblower Primer Bulb

The primer bulb may be leaking. Over time, the rubber of the primer bulb can become brittle and cracked, causing the bulb to leak gas. If the primer bulb is leaking, replace it. Do not attempt to patch or repair the primer bulb.
Common