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Re: fuel low indicator going off in full tank
Hi there well it seems that you have a problem with our sending unit in the gas tank maybe someone replaced the fuel pump and they replaced it with the more affordable aftermarket one or its also possible that the mechanic that installed this pump inside the tank danaged or bent the fuel float leaver you will have to dropp the fuel tank down or look for an acess hole under the carpet in your van and open tank and inspect for damaged float system try bending the float leaver wire down towards the bottom of the tank if this doesnt help the problem , you will have to install another sending unit without the fuel pump a little adjustment will do it though, ok hope this helps you a bit
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It depends on what speed you're driving, if the terrain is hilly or flat, what the ambient temperature is. I haven't seen my low fuel light in ages. Keep in mind it isn't a good idea to run your fuel level so low. The fuel pump is cooled by the fuel (its inside the tank). Running the fuel level very low allows the pump to run above the fuel and not stay cool. I strongly suggest keeping the upper 3/4 tank full as I do. It certainly doesn't save anybody money to run a tank of fuel completely out before refueling. You may fill up more often over a given period of time but you're buying less fuel each time.
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.
The fuel meter inside the tank has malfunctioned. One option is to replace the fuel pump. Second option is to bring down the fuel tank and remove the fuel pump and check see if the metering rod was bent. Now if you are not having problems with the fuel pump. I would deal with the gauge being low and continue running the car until the time comes to replace the fuel pump.
You've got water in your tank. There are fuel additives that remove water from the gas tank that work very well. As you run the tank low, all the water and other "junk" that collect on the bottom of the tank are now being injected into your fuel line, causing erratic idling and occasional misfires.
Usually. if it is a sending unit problem the sending unit will either read full all the time or empty all the time. If your's is reading correctly it's more likely that you have a short in the wiring, somewhere between the light and chime and the sending unit.