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Fuel delivery question

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Old 01-28-2013, 12:20 AM
Thomsen Thomsen is offline
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Fuel delivery question

I am working on an 89 f-150 with a 5.0. It has been sitting for about 3 years without running. The truck was running when it was parked, it sat for awhile and it was discovered that mice had carried wheat through through the pvc hose and into the valve cover. So I pulled the drivers valve cover and cleaned everything up. I went to start the truck and I couldn't get it to fire. I checked to see if I had any fuel pressure, and there is no pressure. The in tank pump is running. I am getting fuel up to the in-line pump on the frame rail, but no fuel coming out of it. My question is this, does the in line pump run off of the same relay as the in tank pump? How does the in line pump kick on? Is there a different relay that runs the inline pump? I am just wondering if there is something else I should be checking before I go buy an in line pump. Thanks.
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Old 01-28-2013, 09:10 AM
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Conanski Conanski is offline
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Both pumps are on the same circuit so it sounds like the frame pump is dead.
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