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  1. 07-26-2016 06:41 AM #1
    AudiAJM
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    Low coolant alarm.

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    I keep getting the low coolant alarm about 30 seconds after i start the car. I have just changed the head gasket. Everything is put back together, the car runs and sounds fine. Could i have forgotten a sensor somwhere?

    The car is a Audi a4 1.9 2000 mod
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  2. 07-26-2016 07:31 AM #2
    Avant Nate
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    2001 Audi Allroad 6MT,1999 Yukon Denali, 1987 4Runner
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    Plug the sensor in on the bottom of the coolant tank. Ive done this more than a few times.
    99.5 1.8T QMS: GT2860RS .63 T3, PSI T3 Mani, Turbosmart 38mm EWG, Unitronic 415, Forge 007,Treadstone TR18 FMIC, Walbro e85 450, FSI coil conversion, 3" DIY Magnaflow/Dynomax VT exhaust
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  3. 07-26-2016 07:58 AM #3
    AudiAJM
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    The sensor is plugged in and there is coolant in the tank, must be something else.
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  4. 07-26-2016 08:09 AM #4
    RagtagXMASTER
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    My Garage
    2002 dodge RAM 1500
    Location
    Boston MA

    How cold is it outside. I get a coolant alarm if it is freezing outside but it goes away when the car warms up.

    Is the senor in the tank ok or the harness that goes to it?


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  5. 07-26-2016 09:49 AM #5
    AudiAJM
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    About 59 F so its not cold. The sensor and sleeve look ok. I will try to clean the contacts with electro cleaner tomorrow.
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  6. 07-28-2016 06:49 AM #6
    AudiAJM
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    Still no luck. Any ideas?
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  7. 07-28-2016 11:45 AM #7
    Avant Nate
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    2001 Audi Allroad 6MT,1999 Yukon Denali, 1987 4Runner
    Location
    Boulder, CO

    Unplug the sensor and jumper it to see if it's the coolant tank itself.
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  8. 08-01-2016 04:36 PM #8
    AudiAJM
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    So the problem has solved itself somehow
    Thanks for the replies.
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  9. 08-02-2016 12:39 PM #9
    GOODBYNAAIR
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    1973 MG Midget, 1995 F150 302 v8, 2007 A4 Avant 3.2 v6, 2014 Odyssey EX-L
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    Fredneck Maryland

    Quote Originally Posted by AudiAJM View Post
    So the problem has solved itself somehow
    Thanks for the replies.
    sounds like a lose connecting or cut in the wire when the temp changes it may come back on.
    SOLD the GOINHAM A4 ---> GT2860 Project
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