Fuel problems

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csharp77

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caleb
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https://imgur.com/gallery/VXErdcZ Spending my afternoon tracking a fuel problem. Wondering is yall could help me out. Have a 454 bb with carb fuel pump mounted under the cab. 3 inline fuel filters. Tank is full but dies like its out of gas.


Ps. Dont know how to upload a photo
 
Brett77

Brett77

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Check pump sometimes they go bad.
 
1987 GMC Jimmy

1987 GMC Jimmy

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I would run a mechanical pump. You can hook a gas can up directly to the pump and see if the problem goes away. That method allows you to divide and conquer the fuel system. If it runs correctly, you know to go back towards the tank. If it’s still running poorly, you have a carburetor problem or a non-fuel issue altogether.
 
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