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a couple of things could cause this. depends on what kind of car. the wires could some how be shorting out to the guage itself. the guage could b bad. if the fuel pump is in the tank you will have a floater in there that could be off or the pump itselfcould b bad. sometimes you can oil the needle on the guage itself and it will start working again.
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∙ 16y ago
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What will happen to the fuel gauge reading when you unplug a wire from the fuel gauge?
The fuel gauge will no longer give an accurate reading.
Is there a chemical that would unstick your Nissan fuel tank gauge?
There is none. But you can try disconnecting the wiring attached to the fuel sending unit and look at the fuel gauge. If it is giving you an empty reading, the fuel gauge is faulty and should be replaced.
Why does your fuel gauge say got fuel but car runs out off fuel?
The gauge may be giving you a false reading.
How do you fix your fuel gauge on your 82 cutlass?
The cause of the faulty fuel gauge is probably the fuel gauge sending unit located inside the fuel tank. Replacing the sending unit would require dropping the fuel tank.
Why would the fuel gauge not work on your 1975 Dodge motorhome 360?
Several things can cause your fuel gauge not to work. The most common cause is a bad ground wire. A malfunctioning float in the fuel tank can also cause the problem.
What would cause the fuel gauge to show empty when tank is full and cause a no start condition?
You need a new fuel pump
Why does the fuel gauge jump from full to empty and back?
Your fuel sending unit is not giving the correct reading to your gauge
Why would the gas gauge not be reading correctly on a 2001 Saturn?
fuel gage sender unit is faulty
Will the fuel pump cause the fuel gauge to not work?
No.
What is the purpose of a baffle in the fuel tank?
It is to prevent the fuel from sloshing back and forth. Fuel sloshing can cause the fuel gauge to be erratic.It is to prevent the fuel from sloshing back and forth. Fuel sloshing can cause the fuel gauge to be erratic.
What would cause your fuel gauge to jump back and forth?
you tell me then we will both know.
What is the problem of incorrect fuel gauge reading?
running out of gas
