Question about 2000 Ford Taurus

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Fuel gauge just floats up and down - 2000 Ford Taurus

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The gauge circuit appears to be open circuited. Make sure the gauge connections to the printed wiring is tight (behind the gauge). The other possibility is to check the electrical connections where they couple to the fuel tank sender for looseness or corrosion. Hope this helps!

Posted on Oct 05, 2010

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Sounds like a faulty fuel sender unit which is situated internally in the tank. Sometimes access to this via underneath the rear seats to check the connection and wiring

Posted on Oct 04, 2010


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Posted on Jan 02, 2017

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How to chech erratic fuel gauge 90 van dura van.? Up and down behavior

faulty fuel gauge sender unit, inside your fuel tank,bolted to the top and hangs down inside,uses a float and arm to give signal to fuel gauge.

Mar 02, 2015 | Cars & Trucks

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2002 barina fuel gauge remains on full

most likely needs replacing or the float has got stuck , take the fuel sender unit from tank reconnect to wiring and slide the float up and down and see if the gauge moves if not replace the sender

Oct 07, 2014 | Cars & Trucks

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Jumpy gas gauge how do i fix

I suspect you have a faulty float assembly located on your fuel pump, inside your fuel tank. You might be able to take out the bottom part of your back seat to gain access to the pump. with the pump out and still connected, turn your key forward but do not start it. Slide the float up and down and see if your gauge responds to the floats position. If it does, the float needs to be replaced, if not, you will need to check the fuel voltage regulator and wiring for damage.

Sep 03, 2014 | Cars & Trucks

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Fuel gauge is not reading properly 2006 Mercury Mountaineer

Fuel gauges are not meant to be precision instruments. You might want to fill up a 2 gallon can and drive the car until it runs out of fuel to see how low the gauge will go before it's really empty. Use the 2 gallons to get back to a filling station.
I once spent three working days trying to get a 1972 Chrysler to read full when it's full, half when it's half and quarter tank when the tank has a quarter amount of fuel. The customer did not want to accept anything else, but in the end all I did was to get close, not exact.
It is possible that the fuel float in the gas tank is "drowned", that is, the plastic float might have a slow leak and some fuel found its way inside. This will cause the float to submerge slightly and give you a low reading. To check this you will have to remove the float unit from the tank.
In any case, if you feel up the job (not easy) remove the float unit from the tank and manually move it up and down while checking the meter reading. You can bend the wire holding the float to correct misreadings.
Personally, I wouldn't bother, just be aware that when the reading is low, feel safe that you still have enough fuel to get to the next filling station.

Apr 04, 2014 | 2006 Mercury Mountaineer

1 Answer

I bought a used car nissan altima 2001.the fuel guage is not working.a roadside mechanic tried fixing it but is stuck.what do i do

Usually problem with fuel gauge not working is the gas float sensor inside the fuel tank.
Check first the wiring to make sure the harness going to and from the fuel tank is not disconnected or cut off.
Check the grounding of the fuel float( ground ( - ) ), negative is the one that signals the float to send signal to your fuel gauge. Try to connect a wire in the circular metal base of the float to any expose body ground of your car ( the center terminal if you ground it directly it should move your gauge to "full" ).
Last one is to pull out the fuel float itself and look at the resistor wound, where the float contact is moving, if you have a continuity tester test it.
Finally the gauge, a service technician must handle it to remove the entire panel for removing, checking, and replacing the fuel gauge inside the gauge panel.
Hope that helps you out.
Thanks for using FixYa!

Jul 07, 2011 | 2001 Nissan Altima

2 Answers

The gas gauge don't work

Hello and welcome to FixYa!
As a first course of action, please do check the fuse. If the fuse is blown, the fuel gauge won't work. If that's the case, please replace it.
If the fuse if good then the problem will be on the fuel float itself. The fuel float is located above the fuel tank. You will need to pull down the fuel tank to gain access to the fuel float. Once replaced, the fuel gauge will work normally again.
Hope this helps and thank you for using FixYa! Have a good one!

May 11, 2011 | 1996 Chrysler Town & Country

1 Answer

Random Fuel Gauge readings

The sending unit inside the fuel tank is at fault doing this to your gauge

It has a reostat that measures the amount of fuel in the tank. The float has a arm that rides along the reostat giving out the measurement. The arm is you can say waving up and down from a bad float that has no ablility to stay steadily bouyant no longer

May 31, 2010 | 2000 Oldsmobile Intrigue

1 Answer

My gmc envoy fuel gauge goes around pass empty. when i fuel up it moves and falls back down.

it needs a new float. it will be available to you at your local GM dealer. u need to remove the tank and fuel pump assembly. replace the gauge float and reinstall

Jan 29, 2010 | 2004 GMC Envoy

1 Answer

Fuel Gauge

Apparently, you jammed the sensor float attached to the pump which runs the gauge. The float must swing up and down to measure fuel level. That runs a resistor unit which varies the reading on the gauge. It is not doing that.

Jul 16, 2008 | 2001 Kia Sportage

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