Question about 2001 GMC Yukon

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HOW DO I GROUND GAS GUAGE

GAS GUAGE

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You should be able to ground it to the firewall undeer the dash or maybe the steering column bradckets. find a screw thats in the firewall and back it out, put a little clip on the end of the grounding wire and screw it back in.

Posted on Dec 04, 2008

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Fuel guage sometimes read empty when there is gas in the tank?


Check that there are no holes in the float. If the fuel is getting into the float, it will give a false reading. Another thing is to check the ground on the float sensor. If it's not connected tightly, it will create a false reading too.

Mar 03, 2015 | 2002 Mitsubishi Lancer

1 Answer

I have a 2002 lincoln ls that has gas guage reading only a quarter tank when full. I know there is 2 pumps on this car, one is the primary pump under passenger back seat and a jet transfer pump on drivers...


Fuel pumps outside the gas tank have nothing to do with fuel gauge readings. There is a fuel level sender unit inside the tank with a float which supplys variable ground circuit to the gauge. If you can find the wire to this unit, you can ground it to see if the gauge now goes to full. If so, sender unit in tank is bad, or has bad wiring/ground.

Jan 30, 2015 | 2002 Lincoln LS

1 Answer

Fuel guage go up and down with little gas in tank


It does not really have a shut off relay, but it does have a relay that powers the pump. The relay is in the engine compartment.
You would need to check for power and ground at the gas tank. Sounds like the ground connection may not be good.

Feb 09, 2013 | 1992 Buick Century

1 Answer

GAS GAGE WANT STOP READING EMPTY WHEN GAS IS IN IT


To confirm if the fault is with the Rheostat float within the fuel tank or the fuel guage in the dashbboard, you can remove the wiring to the fuel tank float. If the guage reading changes- to full- then the guage is good and the fault can be a jammed rheostat which can be removed from the tank and replaced after draining the tank. The guage can be tested on the outside with a ground wiring to the plate of the fittings and as the float is moved the guage must show a change in reading. if not the voltage must be measured to confirm the working of the guage.

Oct 19, 2011 | 2001 Buick Century

1 Answer

Gas gadge doesnt move...how do i fix?


if your gas guage is readin full it is ground problem,if the guage is readin empty,it is in the tank as in the guage unit which is a separate unit beside the fuel pump

Jan 06, 2011 | 1992 Honda Accord

1 Answer

Gas guage shows empty... dosen't work at all could it be a fuse?


common problem with dodges they loose there ground up on the gastank you must remove the tank make sure you have a good ground if you do the sending unit in the tank is bad

Feb 25, 2010 | 2008 Dodge Avenger

1 Answer

Grand prix gas gauge not working


should be a grey wire going to the top of fuel tank connects to fuel guage / when the guage in the tank reads grounded it shows full , no ground it shows empty. if you ground that grey wire and the guage jumps to full then faulty guage if nothing maybe bad ground on the tank itself. the guages are a reostat like a tyco race car gun the more it moves the more it grounds .. good luck

Nov 19, 2009 | 2000 Pontiac Grand Prix

1 Answer

My gas gauge is stuck on full in my 2000 ford mustang


You will need to locate the wire to the fuel sending unit at the fuel tank.

Once you locate the wire, disconnect it and see if the guage goes to 'E". If the guage goes to "E", you probably have a bad sending unit.

To double check, ground the same wire to clean metal on the frame with the key in the "on" position (not running). If the guage does not move, the guage is bad. If the guage moves from E to F, the sending unit needs to be replaced.

Apr 11, 2009 | 2000 Ford Mustang

1 Answer

Gas gauge is wrong


It is likely that its the sending unit in the tank. One way to determine if its the guage or the sending unit is to ground the wire from the guage and it should peg out. If it doesnt then its the guage if it does then its the sending unit.

Mar 23, 2009 | 1988 Ford Ranger

2 Answers

The gas guage still reads full when there is only a half tank


U are going to have to replace the fuel guage sending unit in the fuel tank, there is no other part that will cause this problem

Feb 04, 2009 | 1998 GMC Yukon

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