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  1. #1
    Fuel Sender Diagnosis
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    Default Fuel Sender Diagnosis

    I just started driving my 86' after the long winter storage. Just before I put it away last November it had a full tank of gas and I added Sta-Bil. I started it a few times during the winter and kept the battery charged up. I just recently filled the tank up again after storage, the fuel gage read 1/2 tank, but when I filled it up it took almost 14 gallons! Is it possible that the float is stuck or maybe the sender needs to be replaced. This is an axpensive item so I'm looking for a way to verify the function of the fuel level sender.
    1986 "Bright Red" COUPE - Aluminum Heads,
    Sport Seats, Bose, Ultra-Flo Exhaust,
    Automatic, Bilsteins - "Mostly Original" otherwise.


  2. #2
    Member gmjunkie's Avatar
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    Quote Originally Posted by The Car Whisperer View Post
    I just started driving my 86' after the long winter storage. Just before I put it away last November it had a full tank of gas and I added Sta-Bil. I started it a few times during the winter and kept the battery charged up. I just recently filled the tank up again after storage, the fuel gage read 1/2 tank, but when I filled it up it took almost 14 gallons! Is it possible that the float is stuck or maybe the sender needs to be replaced. This is an axpensive item so I'm looking for a way to verify the function of the fuel level sender.
    Dump a 20 gallon size bottle of Chevron Techron Plus in it,Good chance it will fix you right up in a day or two!
    It's got so it seems to me that the Internet has created a lot more Horses A$$'s than we have Horses!
    junk!~!!
    Founding Member: 10 Corvettes Anonymous


  3. #3
    Fuel Sender Diagnosis
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    So you think it could just be stuck? I'll try the Techron and let you know what happens.
    1986 "Bright Red" COUPE - Aluminum Heads,
    Sport Seats, Bose, Ultra-Flo Exhaust,
    Automatic, Bilsteins - "Mostly Original" otherwise.


  4. #4
    Member LLC5's Avatar
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    Quote Originally Posted by The Car Whisperer View Post
    So you think it could just be stuck? I'll try the Techron and let you know what happens.

    Probably just sulfer build up on the sending unit, which 20 oz of Techron Super Concentrate should fix, try two full tank (full to empty) fulls if one doesn't do it.
    Master Technician

    25+ year ASE Master Certified Tech

    22+ year Honda Master Tech

  5. #5
    Member gmjunkie's Avatar
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    Quote Originally Posted by LLC5 View Post
    Probably just sulfer build up on the sending unit, which 20 oz of Techron Super Concentrate should fix, try two full tank (full to empty) fulls if one doesn't do it.
    I'll second that!!
    Plus,fuel seems to have allot of moisture content now days too,and that don't help much either!!
    It's got so it seems to me that the Internet has created a lot more Horses A$$'s than we have Horses!
    junk!~!!
    Founding Member: 10 Corvettes Anonymous


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