Re: gas gauge in 2002 venture van will not read correctly
I have the same problem with the 2004 V Van. My mechanic says it could be the sensor or the float. Bad news, the sensor is inside the tank on top of the float.so you drain it either way and he said the price would be about the same for either. (About $400)
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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.
This problem may be caused by a bad fuel sending unit, this sending unit operates like a toilet float, it floats on the top of the gas and then sends a signal to the cluster then to gauge, sometimes there will be a problem with the gas reading also, for example it may say you are at 1/4 tank of gas when you have a full tank, or the reading may be correct but the low gas light is on.
you will need to have testing done on this to find out if it is the sending unit or the cluster and last would be to have the wiring tested to the unit, good day
The gauge works on a float system , If the wiring system concerning the gauge is not correctly fixed or presently detached, it will not show the correct reading or any reading at all. Also , if the float , which is inside the fuel tank ,is fault or jammed, that also would result in wrong indication . There is a chance that u have a fuse for this indicator as well. Have the fuse checked up .
So check the wiring and the float , after you check for the blown fuse anywher. Fuse neednt be blown always , it can also be loose . so fix it properly .
When gauge is pegged at full, usually means a bad ground. Check wires at fuel tank, wiggle around, maybe one came off. The bad news is it is hard to get to without removing the tank. Sometimes you can reach arm in and get to them. Also check body ground at read of van.