fuel pump woes
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Senior User
Joined: Mar 2009
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fuel pump woes
I am now on my 6th fuel pump in 6mo i put a 3/8 line filter on the suction side and still lost a pump the guys at napa tell me that the filter isnt able to catch all the particulate and that is what is taking the fuel pumps out . What do you guys think?
Postmaster
Joined: Nov 2005
Posts: 3,168
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From: San Ramon Ca.
Postmaster
Joined: Nov 2005
Posts: 3,168
Likes: 10
From: San Ramon Ca.
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Postmaster
Joined: Feb 2004
Posts: 3,266
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From: Levittown
Did all the pumps fail on the low pressure side?
How much crud is in your new installed filter?
Performance problems?
Have you run a return line loop test?
It will test for air in the system.
Most times a pump failure is traced to an air leak
into the fuel line or a collapse of the line under a vac.
A high vac on the low side suction of the pump will
kill it no time.
But motor will have running/performance issues way before a pump failure.
I would check the rubber lines at the tank for cracks. Could be you draw air
into the system and it leads you to believe its the pump. The OEM quick
connects are known as a source of the air. A full tank of fuel
will test the lines inside the tank. (no issue full/ issue with tank low)
Have seen tank delam kill pumps. You will see little silver/grey flakes
in the fuel filter.
Bill
How much crud is in your new installed filter?
Performance problems?
Have you run a return line loop test?
It will test for air in the system.
Most times a pump failure is traced to an air leak
into the fuel line or a collapse of the line under a vac.
A high vac on the low side suction of the pump will
kill it no time.
But motor will have running/performance issues way before a pump failure.
I would check the rubber lines at the tank for cracks. Could be you draw air
into the system and it leads you to believe its the pump. The OEM quick
connects are known as a source of the air. A full tank of fuel
will test the lines inside the tank. (no issue full/ issue with tank low)
Have seen tank delam kill pumps. You will see little silver/grey flakes
in the fuel filter.
Bill
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Thread Starter
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Senior User
Joined: Mar 2009
Posts: 115
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not getting any air but i was getting the gray flecks off the front tank so i guess i should just by a new front tank. the other problem arises also that if i go more than 3/4 pedal about 75% of the time it feels like i am out of fuel (just like a flat spot )
