Question about 1999 Buick LeSabre

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1999 buick fuel gauge malfuction

My fuel gauge is reading completely empty and then back up to full and everywhere in between. When we first had a problem, we replaced the fuel pump and fuel filter. We did this because when the gauge read empty, the car seemed to have trouble running(wouldn't shift gears) The problem persists. Any suggestions?

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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: 2001 Buick Lesabre - Fuel Gauge not showing correct reading.

sounds like you probably need a fuel level sender. it's located in the trunk on the right hand side attached to the fuel pump. I got one on ebay for about 20.00, but you might as well replace the fuel pump while you're at it, as it can go bad with time.

Posted on Aug 31, 2009

  • 468 Answers

SOURCE: 2000 Buick Century gas gauge reads full all the time

You're either looking at a short in the wire that goes to the fuel sender, or a bad fuel sender. If it was just a broken wire, it would read empty instead. The fuel sender is a permanent part of the fuel pump, so that has to be replaced as a unit.

Posted on Oct 20, 2009

  • 209 Answers

SOURCE: 2001 Buick Century. Fuel gauge didn't work.

I had a Grand Prix one time (basically the same car) that had a problem with the fuel pump harness. This harness plugs into the top of the fuel pump as you know, and into the floorboard underneath the car. Check the floorboard end for corrosion or broken wires.

Posted on Aug 19, 2011

  • 1 Answer

SOURCE: 1999 buick regal water temperature gauge reads high when car sits and idles for a while then goes back down when i drive off and transmission acts like it doesnt want to shift when car is hot but shif

one of two things the transmission fluid pump needs replaced or the transmission filter is clogged replace it if the pump is bad a tranamission rebuild will need to be done also make sure your coolant is not low on antifreeze

Posted on Feb 21, 2012

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