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Fuel gauges etc. on american cars are temperature "heat and stay" gauges....
Or "Averaging" Gauges. So they don't show dips and spikes as you move...
My dakota gauge keeps the last reading when you turn it off... That means it has
a small oil reserve inside the gauge itself, and does not allow the gauge to return
to zero with no power... They may even do it some other way on some cars....
Sampling readings are done using a "blinker" like devise on the dash, put your volt
meter across the resistor in the tank and you should see pulses not a constant
voltage.
I don't trust mechanics anymore. I have had too many problems long term that
they are unable to properly diagnose and repair, and it costs hundreds each time
they change a part till they stumble on the right one that may eventually fix the
problem....
Unfortunately, they way to really fix things is to learn how it works, and fix it yourself.
You have to figure out how your system works, and then see if you can test things
to see if the evidence you have collected matches the description of how it works....
.
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Yes you can call me "Squirrel boy"
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