Thread: Coolant level sensor bad??

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  1. #1 Coolant level sensor bad?? 
    SE Level Member trey9778's Avatar
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    Does anyone know what could be the issue here.. As soon as I saw the light, I stopped and checked the coolant level and it was fine. After letting the car cool off for about 2 hours the level is still fine. Its obviously not overheating and there's no odor of coolant coming from the engine anywhere as well as no leaks or smoke/steam. I'm assuming its the coolant level sensor. The car is an 02gtp. Thanks for reading.

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  2. #2 Re: Coolant level sensor bad?? 
    I live here. 02NavyBlue's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    the sensor is either dirty or bad. its on the side of the rad, cap side, you'll see the wire leading to it.

    take it out, clean it, if it still acts up, change it. this is of course providing your rad is full. yet the light comes on.
    Taken from another forum post ^
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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  3. #3 Re: Coolant level sensor bad?? 
    Killa Bee Scottydoggs's Avatar
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    cool, i dont have to type that up now lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #4 Re: Coolant level sensor bad?? 
    I live here. 02NavyBlue's Avatar
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    Yeah lol. I remember seeing it a while back. I was like ehh, I couldn't have said it better, might as well find it and copy/paste.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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  5. #5 Re: Coolant level sensor bad?? 
    SE Level Member trey9778's Avatar
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    Thanks for the reply. I shall replace it at once! lol the light is flickering between on off and on but very dim. I just wasn't sure judging by how it illuminated in the video if that was the cause.
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  6. #6 Re: Coolant level sensor bad?? 
    Moderator dsmuts's Avatar
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    Just unplug it and forget about it
    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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  7. #7 Re: Coolant level sensor bad?? 
    I live here. 02NavyBlue's Avatar
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    I'd try cleaning it first, they're not cheap for what they are. If cleaning it doesn't work, I'd say go to a junk yard if you really care about it, just make sure it's clean. I mean, advance sells them for $52, rockauto's lowest is $36.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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  8. #8 Re: Coolant level sensor bad?? 
    GTP Level Member gpse2000's Avatar
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    Quote Originally Posted by trey9778 View Post
    Thanks for the reply. I shall replace it at once! lol the light is flickering between on off and on but very dim. I just wasn't sure judging by how it illuminated in the video if that was the cause.
    LOL seems like someone always has the same problem as me. On my 00 My coolant is fine but the light flickers really dimly and my 06 is almost dry in the reservoir but not a light on at all
    2002 Denali Airaid MIT, Tint, 121k GARNET RED
    2006 GT S/C CAI, Plog, 3" DP, Flipped Mounts, DR STBs, SPO Grilles, SPO TIPS, Tint, Inlays, 120k BLEEN FOR SALE
    2000 SE 3.8 intake, dic swap, debadged, flipped mounts, rust mod 140k SILVERMIST SOLD
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  9. #9 Re: Coolant level sensor bad?? 
    Never Be A Tim. ILoveAudi's Avatar
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    I have a bad sensor. I give zero sh*ts about it. I know it's not low so no biggy lol
    1998 GTP Coupe - DIY Intake, Stock - 178k miles with rusty weight reduction (sold)
    1998 GTP Sedan - CT turbo kit, billet wheel pt61, s1x blower cam, Iceman stage 3 heads, 90# springs for all the valve floatz, walbro pump, fuel pump rewire *slowest s1x build ever*
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  10. #10 Re: Coolant level sensor bad?? 
    Moderator dsmuts's Avatar
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    Then Just unplug it the light goes out
    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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