When i turn it on the gas gauge needle goes up then goes down to empty
SOURCE: fuel gauge moves back and forth from full to empty
you have a bad sending unit inside your tank.
the resistance of the potentiometer inside is broke on the half tank part.
you have to replace it.
tnx 4 using fixya.
drcool
SOURCE: 96 Dodge Ram Gas Gauge always on empty
The fuel pump and the sensor is altogether as one assembly. So if you buy the pump you would also be buying the sensor. Just for your information the pump is located in the gas tank under the bed, so you have two ways to change it. One is take the bed off (which is a lot easier if you have a full gas tank). But if its empty than use a jack to lower the tank down from underneath the truck. I hope this helps.
SOURCE: temp gauge and gas gauge not working
I had the same problem with my 2001 Pontiac Montana and the intake manifold gasket. This is a major problem with these 3.4L engines, if you are in the states I'm pretty sure there is a class action law suite against GM for this. I had my manifold gasket replaced and it was about $1000 CAD. You need to get your vehicle looked at right away as this could cause major engine damage, coolant will leak into the engine and soon enough you will be replacing that too. Good Luck
SOURCE: Gas gauge not working
Hi,
This sounds like the sender unit in the fuel tank is worn or possibly a corroded/ bad earth from the unit itself.
There should be an inspection plate above the fuel tank removal of this should reveal the sender unit and connections, if not can you see on top of it? make sure all connections are clean and not gunged up with corrosion. Try spraying Wd40 or similar around the area whilst wiggling the plugs/wires.
Good Luck, Please press the Blue Button to appraise my FREE! Effort.
Thank You!
Paul 'W' U.K.
SOURCE: Fuel Gauge goes to empty when tank is full
It sounds like the fuel sender is bad in the fuel tank.
You could use two resistors, Two different ohms specs for full and empty. Place resistor between proper wire colors in diagram. Turn on the key, If gage reacts properly to full and empty resistors, then I think the problem is the sending unit in gas tank. If not, the problem could be almost anywhere, wiring circuit--pcm--instrument cluster. I did see trouble codes relating to fuel gage sending unit. I hesitate to get into that? good luck
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