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Quote:
Is it possible for a pump to stop working properly on and off??? Yes it is but it should not stop running after it starts running. I had a Bronco II that did that but its problem was that the rubber hose between pump and the fuel hanger was bad (gone) inside the tank as in the photo below. But if you had the hanger out you should have seen that problem. The fuel hanger with a Bad hose: http://i54.photobucket.com/albums/g9...02895Small.jpg / |
Originally Posted by subford
(Post 16285750)
Quote:
Is it possible for a pump to stop working properly on and off??? Yes it is but it should not stop running after it starts running. I had a Bronco II that did that but its problem was that the rubber hose between pump and the fuel hanger was bad (gone) inside the tank as in the photo below. But if you had the hanger out you should have seen that problem. The fuel hanger with a Bad hose: http://i54.photobucket.com/albums/g9...02895Small.jpg / |
As long as there is no way air can be sucked in by the HP pump.
If you have good fuel supply (pressure side) lines from the HP pump to the fuel tank, and the fuel cup has a good seal and the hose inside the tank is OK. The system is self bleeding of any air from changing the filter, pumps and the fuel tanks. |
Originally Posted by subford
(Post 16285806)
As long as there is no way air can be sucked in by the HP pump.
If you have good fuel supply (pressure side) lines from the HP pump to the fuel tank, and the fuel cup has a good seal and the hose inside the tank is OK. The system is self bleeding of any air from changing the filter, pumps and the fuel tanks. |
What kind of fuel pressure are you seeing with the engine running? If you haven't tested this yet that should be next, you should see 32-35psi with the engine idling and upwards of 45psi when the gas is goosed or vacuum removed from the regulator, and the system should hold pressure when the engine is shut off.. only bleeding down slowly if the vehicle sits overnight for example.
So again given your symptoms I suggest replacing the in-tank pump. |
Originally Posted by Conanski
(Post 16286250)
What kind of fuel pressure are you seeing with the engine running? If you haven't tested this yet that should be next, you should see 32-35psi with the engine idling and upwards of 45psi when the gas is goosed or vacuum removed from the regulator, and the system should hold pressure when the engine is shut off.. only bleeding down slowly if the vehicle sits overnight for example.
So again given your symptoms I suggest replacing the in-tank pump. |
:-hijacked
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