Question about 2000 Chevrolet Blazer

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Fuel level sensor in tank bad????

2000 Chevy Blazer, 4 w/dr, 6 clyr
I'm being told that my fuel level sensor within my gas tank is out. The gas pump is working and the gage on the dash works, just can't tell how much gas is in the tank (been driving it for the past 2 years with no problem except for NOT knowing how much gas is in the tank). When I fill the tank the dash gage will show full and as I use the gas it will move to the 3/4 full line on the gage then stop. The low fuel light will come on when the tank is almost empty. Sometimes the gage needle will bounce back and forth from empty to full. I was told that I will need to replace the pump and sensor within the tank because it is all one unit.
Is this true? What part do I need to get to fix the problem?

Thanks for your help!

Posted by on

  • wj2280 Sep 08, 2008

    Thank you for a quick response.

    was thinking about acquiring the part from an auto recycler/dismantler place (with a 2 yr warranty). Where can I acquire the part you suggested (Delco Remy)

  • Anonymous Mar 16, 2014

    all dash lights coming on,fuel gage showing low fuel all time.have had lights on dash reset

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  • Chevrolet Master
  • 70,387 Answers

Yes it is all one unit, and yes that is what the problem is. don't use aftermarket parts, use OEM, (Delco Remy) they are much better quality.

Posted on Sep 08, 2008

  • yadayada
    yadayada Sep 08, 2008

    You may be able to get just the sending unit, but if you are in there I would suggest a new pump if your milage is over 50000. Try Rockauto.com, they carry ACdelco parts.

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Need info on how to change a 2000 Cadillac


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TOOLS REQUIRED
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A J 39765 Fuel Sender Lock Nut Wrench
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