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  1. #1
    Member
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    Corvette(s)
    2000 Magnetic Red Vert & 2015 DSOM Coupe Z51-3LT
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    Default C5 Gas Gauge finally died.


    I bought my 2000 new and started to have the gas gauge problem after a few years. Been doing the Techron thing for years but it just doesn't do it anymore. Any ideas on how much to replace the sending unit in the fuel tank or any other magical fixes? I don't mind filling the tank every 100 miles but the check engine and low fuel lights drive me nuts. Sometimes reset shuts them off for a few minutes but that's it. Any idea if it's a big thing to have these two warning light shut down for low fuel? Thanks, Mike

  2. #2
    New Member
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    Jun 2020
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    Englewood, Fl 34223
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    03 hot red conv.
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    Don't give up yet. Try Sea Foam for 7 or 8 fill ups and u will have a shot at correcting the problem.
    I had the same problem in my 03.Textron would not work for me. The sending unit in tank could b gummed up.
    If that won't work you
    have to put a new sending unit in. Expensive propersiton unless u do yourself. If in the gas tank replace fuel
    pump also.

  3. #3
    C5 Gas Gauge finally died. Tuna's Avatar
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    Mar 2003
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    Mustang, OK
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    '13 427 60th vert - CTS V Wagon(4-door Vette)
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    I had good luck with BG 44K fuel system cleaner with my C5s.
    You can find it at most NAPA stores.
    Tuna
    My Novels:
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