Thread: 01 bonneville fuel gauge not working right

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  1. #1 01 bonneville fuel gauge not working right 
    Moderator dsmuts's Avatar
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    My wife has a 01 bonneville that the fuel gauge doesn't work right in. It'll read right till it gets to between a 1/2 and 3/4 of a tank then it will randomly read full or empty or somewhere in between. I don't want to have to change the fuel pump just to fix this but she really wants it fixed. Please tell me there is something easy to fix so she stops *****ing about having to reset the odometer at each fill up.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  2. #2 Re: 01 bonneville fuel gauge not working right 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    fuel level sender.

    Look it up, its like a $20 part. You do have to take the fuel pump out tho.

    Youtube, bonneville fuel level sender, there is a guy with 3 video's on how to do it.

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  3. #3 Re: 01 bonneville fuel gauge not working right 
    Moderator dsmuts's Avatar
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    awesome thanks cam
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  4. #4 Re: 01 bonneville fuel gauge not working right 
    Donating Users vegasridercc's Avatar
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    I am having a similar problem with my 97 GT, the guage is pegged at the full mark and doesnt move. I havent ran it out of gas because I think that the low fuel light works ok, as when I start the car all of the warning lights come on for a brief moment. I could be wrong!! checked it out on the internet but there is no mention of a fuel level sensor at least for my car.
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  5. #5 Re: 01 bonneville fuel gauge not working right 
    Moderator dsmuts's Avatar
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    I doing know about the gp doing it but its really common on the bonneville
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  6. #6 Re: 01 bonneville fuel gauge not working right 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    if its always pegged at full or empty or moves around alot, its most likey the level sender, the feet get worn off the sweeping arm and no longer contact the sensor.

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  7. #7 Re: 01 bonneville fuel gauge not working right 
    GT Level Member 98GPGT2D's Avatar
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    Both my 97 and 97 Grandprixs need the level sender....just have not got around to installing them yet. I use the "Fuel Used" segment of the DIC..reset it every time I fill up, I know i'm good for 40 of 50L. It reads accurate too, usually only about a half liter or so off.


    Jay
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  8. #8 Re: 01 bonneville fuel gauge not working right 
    Donating Users vegasridercc's Avatar
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    nope! mine is pegged period! I to use the trip meter..and havent had a problem, I do have this on the must do list for summer.
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  9. #9 Re: 01 bonneville fuel gauge not working right 
    Donating Users Deezul_AwT's Avatar
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    My GP just started doing it - I consistantly have 3/4 of a tank of gas. :-) Been using the trip meter, but I'll probably replace the level one weekend.
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  10. #10 Re: 01 bonneville fuel gauge not working right 
    Moderator dsmuts's Avatar
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    Then only fuel level sender I can find is $88 I don't want to spend that much if I don't have to. Anyone have a site that has them cheaper?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  11. #11 Re: 01 bonneville fuel gauge not working right 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    New Fuel Level Sensor (Sending Unit) | eBay

    Its not even a sensor, its a swing arm type thing with 4 fingers that run across a circut board and that sends the signal to the computer for how much fuel is left. Remove the old one from the pump and put the new swing arm with fingers on and toss the pump back in.

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  12. #12 Re: 01 bonneville fuel gauge not working right 
    Moderator dsmuts's Avatar
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    I read that the ebay break really easy though.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  13. #13 Re: 01 bonneville fuel gauge not working right 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Then dont use it.

    I bought that exact one, installed it and been running it for over a year.

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  14. #14 Re: 01 bonneville fuel gauge not working right 
    Moderator dsmuts's Avatar
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    Ok well everything I read everyone said they broke but if you are using one at least I know good ones can be had. She's really been bugging me about fixing it lately. I'll be ordering one very soon thanks cam.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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