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Q: How to fix code po463 on 2005 Ford Explorer

I put a new fuel pump But Still get the code po463
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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
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