hey Folks,
I need help in diagnosing my problem with the fuel gauge system.
The gauge has not worked correctly since I bought the vehicle. It
typically sits somewhere between 3/4 and full. On occasion a good
road bump will cause it to read normally (or at least read in the
rest of the range of the fuel gauge). I have never seen it read
empty while installed. The wire from the sender to the gauge was
loosely installed and I replaced this recently and dressed the cable
in such a fashion that road vibration would not wear the insulator
down, contacts cleaned, connectors soldered, tight fit, dielectric
greased and shrinkwrapped. When I had the gauge out I could actuate
the sender arm and it would read empty to full correctly. I did
this several times and it worked fine, however there is not a linear
relationship to the position of the arm to the gauge needle, but
full height of sender arm reads full and bottom of sender arm reads
empty(seems normal). For the record the temp gauge reads accurately
which should rule out a fritzy voltage regulator. I place the
sender back in the tank which is keyed and can only be mounted in
one of two directions(mounted at 2 O'clock with 12 O'clock towards
front of vehicle and parallel with frame rail). The tank was 1/4
full or so by eyeball and read as such on the gauge. I drive for a 40 miles
and gauge does not move much unless I am on a hill. Stop
to fill up and I was 1 gallon away from empty! (non linear gauge
reading I think). I fill up and gauge reads full(good!). However I
have driven 150miles and it still reads full! I think I have the
wrong sender for this tank personally and the sender arm is physically lodging itself against the side of the tank.
Any help appreciated,
Jason
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