Question about 1992 Ford F150 SuperCab

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1992 dual tanks. Guages worked fine as did change-over dash switch. All of the sudden, I started getting erratic fluctuations on guages. Now, with gas in the tanks, guage always shows empty. I don't know whick tank I'm using. Any help would be appreciated.

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  • vlyon Jul 17, 2009

    Thanks for the response. I'll try to clarify problem. 1992 F150 V8 fuel injected engine. 92,000 miles. Fuel guages and selector switch have always worked. This is a dual tank truck. Recently, the fuel guage began to fluctuate between empty and 3/4 full on front tank and did not register on rear tank. A couple of days ago it quit indicating any fuel level at all, makes no difference which tank I select. I know both tanks have fuel but guage shows empty. Truck starts and runs but since I was switching the selector switch from front to back, I really don't know which tank is being used. Is the selector switch bad? How could both fuel sending units go bad at the same time? Any advice would be appreciated. Thanks!

  • Richard Scordino May 11, 2010

    Re-check your work...something isn't plugged in correctly or you don't have a good ground.

  • Anonymous Mar 26, 2014

    i have a eddie bruear 4 door explorer my gas guage show it works kinda but when i crank it the guage goes to the e mark any ideas.

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  • 64 Answers

I don not think both sending units are bad, there is probly a broken wire between the front tank and the instrument cluster, .

Posted on Jul 22, 2009

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