Question about 2000 Buick LeSabre

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Even though i have little gas in my tank, the fuel gauge registers that the tank is between half full and full. what might be the problem?

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The float is hanging up ,or the sending unit is reading it wrong

Posted on May 09, 2010

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4 Answers

Why does my gas gauge read half full when its empty.


it will help if you tell us what kind of car it is and dose this problem happen after you fill it while the car is running or is it off ?

Feb 02, 2015 | Cars & Trucks

1 Answer

I just replaced the fuel pump in my 1996 explorer and fuel filter and put 5 gals of gas back in the tank now the fuel guage is registering full and will not work


Eewww. That's not good. And you're not going to like what I say. I think you bent the fuel gauge sender unit, or misaligned something when you put it back in tank. Try unplugging the connector and plugging it back in. See if that helps the gauge to register right. Here's a quick check to see if your dash gauge is working right: Unplug connector again at tank and use a jumper wire to ground the dash gauge sender wire. With key turned to on and the fuel gauge wire grounded, the gauge should jump up to half or full. If it does, there's a problem with your sender unit in the tank.

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2 Answers

Fuel gage stuck at half full


Hi,
Check both the gas float and the fuel gauge. The terminal wire on the fuel float when grounded on the bare metal body of your car it will register on your gauge as "FULL ", if not the fuel gauge is malfunctioning and have to replace. When it register to your gauge as "FULL", the problem would be the gas float inside the fuel tank.
A technician could replace it for you.
Hope that helps you out.
Thanks for asking FixYa!

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1 Answer

I am not getting good fuel economy for the last 2 months. Performance and acceleration are good and the same but since I had a low impact front end collission at about 10 mph where I rear-ended a big...


only the mechanic can answer that, he's the one looking at the car. If he diagnosed a bad valve, get it fixed., then see if it made a difference.

Nov 16, 2010 | 2001 Chrysler PT Cruiser

1 Answer

When I fill up my gas tank the gauge registers at 5/8th of a tank. Occassionallt the gauge will register a full tank but while I'm driving it will go back to 5/8th.


Your fuel sending unit is probably a little sticky...
I wouldnt worry about it... It's the bottom half of the tank of gas that matters , right?

Sep 28, 2010 | 2005 Mazda RX-8

1 Answer

Fuel gauge not give proper reading.. register full


Sorry to say,but the fuel sending unit is the problem,the fuel tank will have to be lowered out of the vehicle to replace the unit.If the fuel sending unit is not available by itself you will have to replace the whole fuel pump assembley.

Oct 14, 2009 | 1999 Buick Regal

1 Answer

2006 GMC Envoy gas gauge not functioning properly.


GM had a problem with the fuel sending unit cards inside the fuel tank,If you replace that you should be good to go.

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Fuel gauge reads E when first started, jumps to F after awhile


It is more likely to be the fuel guage sender which is faulty.

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Gas gauge


Most likely it's the voltage stabilizer for the gauge itself... some are replaceable (plug in type), some are part of the printed circuit... if so get another cluster from a junk yard and swap it out... Hope this helps...;-)

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