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Cant get the low coolant light to go off

This is a discussion on Cant get the low coolant light to go off within the Computer & Tuning forums, part of the LSx Technical Help Section category; Couple a whacks with a rubber mallet fixes damn near all of them....

  1. #21
    Junior Member edcmat-l1's Avatar
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    Couple a whacks with a rubber mallet fixes damn near all of them.

  2. #22
    Member 99'CajunFirehawk157's Avatar
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    Bright Red
    99 Firehawk #157 Roadster

    Exclamation How To: Ls1 Coolant Level Sensor Removal

    A big giant C type clips holds it in:
    1. remove your battery,
    2. unplug the sensor harness,
    3. pull the clip towards the battery,
    4. pull the sensor out,
    5. clean it up well out side and in,
    6. maybe even a wire brush on the small brass tip sensor area,
    7. put back together,

    mine went out when I put it back together, yours may or maynot but now you know how to swap it out if need be...YMMV

  3. #23
    Junior Member NVRANUF's Avatar
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    Black
    1999 Trans am

    For what thae coolant sensor does, I like the mallet fix.

  4. #24
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    Red
    1998 Trans Am

    my low coolant light want go off. cleaned it hit it with hammer disconnected it. and when i disconnected it the car ran like crap and cut off and said check gage... up to do help.. buy a new one...

  5. #25
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    Disconnecting it won't affect how the car runs and shouldn't give you a check gauges light. You're not talking about the ECT sensor in the on the head are you?

  6. #26
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    Red
    1998 Trans Am

    no. it is the sensor about 3 to 4 inches under the rad. cap. and when i unplugged it the car ran real rough and cut off backing out of the drive way, and the check gage came on. so i plugged it back in and it ran like normal. but the light came back on..

  7. #27
    back 'n better than ever Kjz99z28's Avatar
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    White/Black
    1999 Z28

    Mine does it.. it'll just randomly pop on for a few weeks, then be off for a few days, then come back on. All my levels are fine and good, so I just watch the temp and ignore the light.

  8. #28
    Member cobrahunter's Avatar
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    1998 Camaro Z28

    At about $80 for a new sensor, it's not cheap. Mine turned out to be a bad sensor so just decided on getting a new one and be done with it.

  9. #29
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    1998 Trans Am

    i think thats what im going to do. was hoping to get around that though.

  10. #30
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    I've never heard of disconnecting the low coolant sensor making the car cut off, or throwing a check gauges light. I'd disconnect the sensor and try again. Check gauges light means one of the gauges is out of range, too low or too high right? The low coolant light isn't a gauge. If you disconnect the ECT sensor on a '98 the gauge could be out of wack because it actually works. Start the car and see if the temp gauge reads.

  11. #31
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    1998 Trans Am

    it didnt cut right off. just ran rough. and then the check gage light came on. never has before. i plugged it back and no problem other then the light. temp gauge reads fine. its a 180 be cool therm. does not go over 180 ever.. what is ECT

  12. #32
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    1998 Trans Am

    i just tried it ounce more and this time it ran fine and no light .. why did it run so rough this morning and give me the check gauge when i unplugged it....

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