fuel gauge not reading

LizaMaeLizaMae Member Posts: 1
edited July 18 in Mercury
The vehicle has had more sit time than drive time in last three years. Filled tank with premium gas and hopping it would possibly dislodge a stuck float, no luck so far. Looking to replace fuel pump, have inexpensive one to try to investigate/remedy and also to take a look at old one while at it. If remedy works, will order Motorcraft part. I don't know if I need PFS468 or PFS478 related to onboard vapor system. All new to me.
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