Question about 2001 Buick LeSabre

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Gas Gauge Reading Incorrectly

Yes, I have noticed that the gas gauge is never accurate. I have a trip meter on my dashboard. It has become a habit to reset the trip meter when I fill up. I average 22 mpg, so the 15.5 gallons tends to give me roughly 341 miles..but I always fill up around 250 miles...that's the Most I'm willing to do to fix the problem. I think to fix the problem, you have to have the mechanic pull the tank and replace the fuel buoy inside. (Very Expensive Job)
I'll just keep doing what I have been in the past...

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  • Master
  • 3,113 Answers

It can be removed from inside the trunk between the wheel wells on right side.

Posted on Jun 20, 2009

  • wutusaygoes Jul 13, 2011

    Its not very expensive or difficult. My husband and I just removed the fuel pump from the trunk, you don't have to drop the engine. And we got a fuel pump, which does not come with the sensor anymore apparently, then we replaced the sensor. All was easy to do, my gas gauge still is not working, but I won't take it to a mechanic just yet.

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Posted on Jan 02, 2017

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