fuel gage problum
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, fuel gage problum in Past Cadillac Vehicle Discussion; i have a 95 de ville and out the blue the gage broke i can fill it to the max ...
  1. #1
    danloc5150 is offline Cadillac Owners Member
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    Apr 2004
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    fuel gage problum

    i have a 95 de ville and out the blue the gage broke i can fill it to the max and it will say e blinking but whan im really on e it will tell me put fuel soon on the display but its not saying that its just the e is stuck does anyone have or had this prob. the shop said its probly the sending unit or pump

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  3. #2
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
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    Re: fuel gage problum

    When a fuel gauge stays on e that usually means one of two things, an open power wire to the sender or the sender in the tank. When it stays on full that usually means no ground circuit (open ground wire) or again the sender.

  4. #3
    Light-Zone is offline Cadillac Owners Member
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    Apr 2004
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    Re: fuel gage problum

    Carnut:

    Are you refering to the analog or digital gauge? My analog gauge stays on full until about 1/4 of the tank is emptied, then the needle begins to go down. When I fill the tank full, the needle goes up, and intermittantly drops down which activates the "low fuel" message (as well as the chime), then goes back up to the full position. And then, as I already said, after about 1/4 of the fuel has been used, the needle starts dropping below the full position, and the erratic behavior stops. But of course the gauge is no longer accurate.

    Any suggestions?

    Thanks.

  5. #4
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
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    Re: fuel gage problum

    Erratic behavior has no relationship to digital or analog displays. Given that it is erratic, I would suspect the sender in the tank or less likely, an intermittant connection. i would probably try an additional ground to the tank sender or clean the connector at the sender which usually means partial dropping of the fuel tank.

  6. #5
    MrSmith's Avatar
    MrSmith is offline Cadillac Owners Enthusiast
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    Re: fuel gage problum

    what about the float? could that be bad if the digital is always on E no matter how much gas it there??

  7. #6
    Light-Zone is offline Cadillac Owners Member
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    Re: fuel gage problum

    Thank you Carnut!

    An update to the behavior of my fuel gauge....it is no longer bobbing up and down in and erratic way. It is simply "out of sink" so to say. When the tank is full, it stays on full until about 25% of the fuel has been used, and THEN begins to move from the F position downwards. It is in fact, consistant in it's behavior. Any ideas?

    Thank you!

  8. #7
    MusicCity is offline Cadillac Owners Member
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    Re: fuel gage problum

    Maybe you got some of that good ol' Louisiana Texaco gas guage stickin special.

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