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a guess
thats a lot of sensors to fail all at once
may need an auto electrician
.any fuses blown
if happened all at once
voltage overload/spike from alternator regulator
or huge short / wire loom melt ....
check your fuel pump relay. if not that, then it's your fuel pump. the gas gauge is in the fuel pump, so if your fuel pump stopped working, your gas gauge won't work
Check to see you have oil up to full on dipstick . The high pressure pump picks up oil at the top level so if oil starts to get to low engine will stop before engine damage . The high pressure pump is what makes the injectors fire . Also check the wires that go thru valve cover some times they burn up and you can smell the burn thru the oil filler cap .
I would suggest you remove the dash light dimmer control rheostat (In most cases part of the main headlight switch) and test it for continuity, I think it may be defective, please perform the testing before replacing any parts.
perform a master oil pressure test. this is done by removing the oil pressure sending unit and installing a oil pressure gauge. if the reading on the test gauge is ok, the sending unit needs to be replaced. if the pressure reads low on the test gauge, there may be excessive bearing wear or you may have worn valve guides. good luck!
99% of the time this is caused by a defective fuel gauge sending unit in the gas tank, in fact that is the only thing i have ever found wrong in my 40 years as a mechanic, 30 of which were at a Ford dealer.
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