Question about 2000 Chevrolet Blazer

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Gas Gauge Problem

Everytime i fill my tank the gas gage only goes up to just below 3/4th and it goes down apropriately but once it hits 1/4th it goes down to what it is when the car is shut off, I don't understand what's wrong, am i not putting enough gas in? or is there something wrong with the sending unit or something wrong with the gauge? it's a 2000 blazer lt

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Sounds like a bad sending unit. Only problem is it may be part of fuel pump itself and not replaceable. Check with local parts house to find this out.

Posted on Feb 09, 2009

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The problem is the gas tank sending unit is defective, u will have to remove the gas tank and replace it, there is no other cause of this type of problem.

Posted on Feb 09, 2009

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