How to fix code po463 on 2005 Ford Explorer

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I put a new fuel pump But Still get the code po463
(2) Answers
(1) Comments
When you replaced the pump, was the fuel level sensor included with the pump?
yes the sensor is on the fuel pump
or the fuel level indicator is on the fuel pump
I replaced the fuel sending unit and still have the check engine light on... before I was getting a PO163, now I get a PO473. when I disconnect the battery for a wile I have the gague go to empty and check engine light goes off.. after a few mins. they both return