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Old 09-24-2012, 04:40 PM   #1
bigguy69
dazed and confused
 
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Join Date: Jul 2008
Location: marion nc
Posts: 1,649
fuel pressure

I have a strange problem. When I first crank my truck it will hold 8 pounds of pressure. After it warms up it moves to zero. The truck still runs and will go down the road. New fuel pump that is a 110 gph . Blazer tank in the rear. Changed the fuel filter 3 times. Still does it. Can a mechanical fuel pump lose pressure after warming up? What else do I need to check?
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