Question about Chevrolet Equinox

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Gas gauge shows empty and when i will it it only fulls to 10gallons I have a 16gallon tank

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  • Matthew DeVietro
    Matthew DeVietro Oct 15, 2013

    the gauge works fine. It just shows empty when i used around 10gal of fuel

  • Matthew DeVietro
    Matthew DeVietro Oct 15, 2013

    Would changing the fuel sensor fix it for sure??

  • J.D. Browning
    J.D. Browning Oct 15, 2013

    a simple way to test it would be to remove plug from sensor in tank and connect it to spare one move it with your finger ck dash gauge

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  • Chevrolet Master
  • 2,760 Answers

Tank sender has a problem with it

Posted on Oct 15, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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CMV9
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SOURCE: gas gauge reading empty even when tank is full

Usually if the gas gage does not work yes it is true it may be the sensor if it is electronicly controlled. the sncor will more than likley be in the tank. here is how to remove your gas tank.

  1. Before servicing the vehicle, refer to the precautions section.
  2. Relieve fuel system pressure.
  3. Drain the fuel tank.
  4. Remove or disconnect the following:
    • Negative battery cable
    • Fuel filler and vent hoses
    • Fuel tank skid plate
    • Fuel tank wiring connectors
    • Fuel supply and return lines
    • Fuel tank
    • Fuel pump assembly
      7924bg17.gif Fuel pump assembly mounting
To install:
  1. Install or connect the following:
    • Fuel pump assembly
    • Fuel tank. Tighten the bolts to 27 ft. lbs. (36 Nm).
    • Fuel supply and return lines
    • Fuel tank wiring connectors
    • Fuel tank skid plate
    • Fuel filler and vent hoses
    • Negative battery cable
  2. Start the engine and check for leaks.

Posted on Apr 16, 2009

  • 299 Answers

SOURCE: Filled up gas tank and gauge still shows empty. I

ethanol fuel effects the fuel sending unit ,even just 10% ethanol.New sending units from gm adress this.

Posted on Jun 18, 2009

  • 13 Answers

SOURCE: 1993 Jeep Grand Cherokee gas gauge reads empty but tank is full.

Fuel level sending units are known to go bad on these.

Posted on Jun 22, 2009

  • 1129 Answers

SOURCE: Gas gauge basically shows either mostly full or empty

sending unit in tank needs to be replced, drop down tank and replce

Posted on Jul 01, 2009

  • 14 Answers

SOURCE: 2005 Nissan Xterra gas gauge reads empty when full of gas.

Sending unit died. can be expencive to replace since most sending units are integral with the fuel pump now. lots of labor too. Better to use the trip odometer till you can afford a day without your car and a $600.00 +labor repair bill.

Posted on Jul 07, 2009

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1 Answer

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If you cannot fill the tank because of an erroneous reading then it is time to replace the gas gauge sending unit responsible for the anomaly. Hope fully you can do it from the trunk - otherwise you will have to drop the gas tank to gain access.

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1987 fuel level guage issue 87 F150 Lariat XLT 5.0 2wd. Have a very similar situation. Front tank position shows empty even when I know there is gas. Rear tank position shows full after refilling but...


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When the gas tank is full the gas gauge shows as empty. When the gas tank is empty the gas gauge shows as full.


Well that tells me that someone installed the wrong fuel level sensor. Your going to have to drop the tank and pull the pump and float assymbly out. Then go to a parts store and get a sending unit that has the opposite resistance of that sending unit. Just wait until the tank is empty so its a lot lighter. You can call the parts store or go down and see if there is multiple sending units. The sending units work by resistance, when the tank is full the float moves up and turns a wheel in the sending unit, which either removes or increases the resistance causing the gauge to lower. The sending units either give full resistance at full or no resistance at full and then changes as the level goes down until it does the opposite at empty.

Jul 17, 2009 | 1999 Chevrolet Cavalier

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Gas gauge basically shows either mostly full or empty


sending unit in tank needs to be replced, drop down tank and replce

Jul 01, 2009 | 1999 Oldsmobile Cutlass

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Gas gauge irratic


u will have a faulty float in fuel tank

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