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Old 12-26-2016, 09:30 PM   #5
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,331
Re: 1972 c10 1/2 ton fuel problems

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Can you hear the electric pump running? Does that particular pump need to be primed?

If the answer to those two questions is "yes" and "no" the fuel line itself must be plugged. Remove the gas cap then remove the hose from the electric pump inlet and blow air backwards through the line. You should only need about 10 or 15 pounds of pressure..... See if that opens it up.

LockDoc
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