My fuel gage only seems to work between half and full. When the fuel gage reads half a tank it is empty, when it reads 3/4 it is really only 1/4. When the gage reads full I have between 1/2 tank to full. Is there an adjustment that can be made? It seems to work properly. the E is shifted to 1/2. Hope you can help.
Sounds like a sending unit, but check grounds and connectors for corrosion. The sending unit is in the fuel tank, and can be costly, also you need to work safe practices. Try just setting the trip meter when you fill up and run the number of miles that would normally leave you with 1/4 of a tank. draw back always fill up. it is a lot cheaper than the repair, they want over $250 for one in my dodge dakota
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Re: 1996 Plymouth Grand Voyager Fuel Gage issue
It sounds like the fuel level sending unit located on the fuel pump is malfunctioning. The solution for this is to have it replaced. You can do this yourself but I wouldn't recommend it as the vehicle needs to be lifted and the fuel tank needs to be dropped out. This can be preformed for about 100-150 in most shops.
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the "sensor" is actually just a long arm with a "floaty? on the end and gauges where in the tank the top of the fuel is located therefore giving you a read out on your dash. the sensor your talking about sounds like the low level readout sensor.this is located elsewhere and is simply asensor that reads the information of of the fuel pump and vocalizes low fuel warning. if you knowingly have fuel in your vehicle then your sensor may be shorting or or your dash gause has a short.
Are you sure the fuel gage is reading accurately most gages just use a resistor to gage how much fuel is in the tank over time its easy for the gage to read off could be running out of gas unless you know for sure it still has a half a tank?
Testing the fuel gage requires accessing the harness from the fuel pump and grounding the yellow / white wire with 160 ohms resistance this should cause the gage to read full, and with the circuit open you should have the gage reading empty. If the gage works in this order then the likely failure is the sending unit in the tank , and will require replacement.
Is......the problem--"the gas gage reads empty when there is fuel in the tank. OR, The gage moves when the key to turned off ?
If it's the first,
You will need to test the gage and through process of elimination, determin if the Sending unit inside the fuel tank has gone Bad.
If its the second ? - Electrical gauges will move when powered down. Normal
Testing the gauge may not be easy - just depends on your ability.
It is a simple 2-wire gauge circuit, when disconnect (usually need the fuel tank) the gage reads in one direction (either full or empty)
then when shorted-the gage reads in oppisite direction.
Of course you must select the correct wires or you may short out the wrong circuits!! Most GM vehicles use a purple wire & black wire.
A quick method I have used to check the in-take part of the gauge is this.
1st. know there is gas - 1/2 tank works best.
2nd driver's door open, key in run position, engine not running.
3rd gently lift up on the door then let if come back down, gently.
just enough to cause the gas to slosh around.
4th - keep an eye on the gas gage, a bad sending unit in the take will show up as a "twitchy" needle.
Of course, if the gage never leaves empty - sloshing won't work.
I have a known good sending unit I can plug into the vehicle and simulate different levels of fuel - if the gas gage works, I know the problem is in the tank.