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First place I would look is at the ground under your back bumper.That ground is used for the fuel pump and the fuel gauge (actually the fuel sending unit).Mine was corroded pretty bad so I replaced it all when I put in my new tank and fuel system , haven't had any problems with it since.


Where exactly is this ground by the rear bumper? My fuel guage does not work either. Also, this ground wouldn't by any chance also affect the temp gauge? Because out of the 3 oil/fuel/temp, only the oil works.
Thanks.