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Kimberly Ashley Posted on Aug 30, 2012
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My gas gauge isnt working after replacing the gas tank. it shows only half tank when the tank is full

I just replaced my gas tank and to do that i had to pull the fuel pump out and put it in the new one. everything is screwed in correctly and the gas gauge works but its not showing the right fuel marking. i just filled it up alllllll the way and its only showing a half tank. what happened?

1 Answer

Marvin

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  • Nissan Master 85,242 Answers
  • Posted on Aug 30, 2012
Marvin
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Joined: Jun 20, 2008
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You will need to replace the fuel tank level sending unit.

5 Related Answers

Anonymous

  • 112 Answers
  • Posted on Jul 08, 2009

SOURCE: Fuel Gauge Flickers but does not work properly-

there is a fuel senor inside of the tank and it could very well be the problem

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Anonymous

  • 1 Answer
  • Posted on May 04, 2009

SOURCE: 2002 honda crv fuel gauge moves really slow.

I had the same problem. My battery was going bad. When I replaced it with a new one, the fuel gauge worked fine.

sodeep

Sudeep Chatterjee

  • 3267 Answers
  • Posted on Jun 25, 2009

SOURCE: fuel gauge on 1993 Dodge Dakota V8

Definitely the gauge can be changed, provided the float in the fuel tank is OK, i.e. no leaks. This float connects to a potentiometer which records the current flowing thru it and displays it in the gauge. So before replacing the gauge measure the current and match that against the quantity of fuel in the tank...............sodeep

Anonymous

  • 111 Answers
  • Posted on Sep 13, 2009

SOURCE: fuel guage not working correctly

your gauge is part of the integrated unit in the fuel pump module

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Dec 02, 2009

SOURCE: Gas gauge is not reading correctly. Shows a full

the problem is caused by a defective gas gauge sending unit, this part is located inside the gas tank, you must remove the gas tank to replace it.

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Town and Country Van running out of gas and guage says half a tank what could be the problem?

If your fuel gauge is showing you in accurate readings this is normal to all vehicles that are not used to fill-up gas full regularly but sometimes the cause of the inacuracy is due to faulty float valve in the gas tank you need to replace it
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My fuel gauge isnt working, it sayed over Full untill i hit half a tank then showed on F then 1/2 a tank was actually Empty. what could be wrong?

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Fule gauge dose not work right

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FUEL GAUGE SHOWING FULL TANK BUT BUT ONLY HALF TANK OF GAS

Hello. You may have a problem with the fuel sending mechanism in your gas tank or you may have a fungus in your gas tank which is causing it to show much more fuel than you actually have. Drive to an AAMCO repair shop where they will scan your car's computer for free [some auto parts stores now offer this free as well so call around]. If it is mechanical it should show up on the scan, if not you probably have the gas fungus. Some auto parts stores and dealerships now sell an expensive gas tank additive that will kill that fungus. Regards, Joe
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very common. The sender in the gas tank is the problem.
It will need to be replaced some day
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Gas gauge is not reading correctly. Shows a full

the problem is caused by a defective gas gauge sending unit, this part is located inside the gas tank, you must remove the gas tank to replace it.
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My gas gauge goes from empty to full within 5 seconds, and it will show low gas when there is half tank or more..

Replace the sending unit in the tank. You don't have to replace the whole pump assembly, You can buy just the gauge sender from the dealer.
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Gas guage no longer works when below half a tank.

You are probably looking at dropping the fuel tank down and removing the float and sending unit ( all in one unit). Once it's taken apart, you may see that you can fix it or you may have to replace it.
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