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I had a similar situation. Started 2 years ago when the truck stopped and the garage said it was the fuel pump. They recommended replacing the complete sending unit. Used Napa parts. Ran for a year then just quit again, same problem - no fuel being sent. Took it back to a diffirent garage and they replaced the fuel pump again. Ran for about three months and quit again. Diagnostics indicated a fuel pump so we did it again. Quit 2 days later. This time they found a loose wire between the sending unit and the wire harness. Seems third party sending unites have a cable to connect the unit and the harness. manufacturer sending units are hardwired into the unit and plug into the harness. We could not buy the connector cable by itself so I had to buy the full sending unit to replace it (I'm over 2,000 dollars at this point). Ran good for 2 weeks and now it quit again. Maybe someone else can offer an explanation.

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19y ago

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