Fuel gauge fluctuation

2000 BUICK PARK AVENUE
130,000 MILES
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FRANKMORGAN
  • MEMBER
  • 2 POSTS
Fuel gauge shifts from full to empty.
Does fuel float in gas tank? also ac as a fuel pump? Where is the float located and replaced if it is is problem.
Apr 23, 2019 at 4:25 AM
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DANNY L
  • ✓Experienced Mechanic
  • 5,648 POSTS
Hello, I'm Danny.

Yes, the fuel pump and the sender are all one unit together that is mounted inside the fuel tank.You will have to drop the fuel tank from car to gain access.Here is a tutorial showing what is involved:

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump

Hope this helps and thanks for using 2CarPros.
Danny-
Apr 23, 2019 at 4:34 AM
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