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i have an acrtic cat 440 and i was having problems getting fuel through the lines well now i have fuel running through the main line (out of the gas tank) but i have no pressure to push it through the rest of the lines to the carbs... is it the fuel pump or could it be something else? is there anyway to test the fuel pump?
 

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Take a fuel line off of one of the carbs and put it into a clear container. Pull the recoil a few times. You should see the fuel going into the container.

If no fuel, suspect the fuel pump diaphram or the impulse line that goes from the crankcase to the fuel pump. Fuel pump rebuild kits are cheap and easy to change out. If the impulse line has any cracks in it, it will suck air and you won't get the impulses to the fuel pump diaphram that make the fuel pump run.
 
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