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Thread: Coolant Temperature Light comes on for a minute or 2 then turns off.

  1. #21
    Senior Member daleWV's Avatar
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    Even the newer cars with gauges are essentially "dumbed down". The gauge isn't driven directly by a sensor rather by the engine ECU and the needle doesn't read linearly. In other words the needle will rise to some middle range and hardly ever move from there unless the engine gets really hot at which time the needle will rise further. The gauge isn't really doing much more than the idiot lights. Kind of an idiot gauge. The point where the needle stalls is maybe 10 or 15 degrees above or below the engine thermostat value. A fairly wide value where it doesn't move at all.



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    Eggman (06-02-2019)

  3. #22
    Moderator Eggman's Avatar
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    Quote Originally Posted by stevedmc View Post
    It must be nice living in a world where light bulbs never burn out. Even LED bulbs can fail prematurely.


    Quote Originally Posted by stevedmc View Post
    For all I know, my red temperature light doesn't even work. I've never seen it illuminate, so honestly I have no way of knowing if it works or not.
    It would nice if it would illuminate red at the startup lamp check, but it lights up green. Still, I'm not sure it's cause to doubt its functionality.
    Last edited by Eggman; 06-02-2019 at 11:19 PM.
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  4. #23
    Member Nifty_Biscuit's Avatar
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    Quote Originally Posted by Eggman View Post


    It would nice if it would illuminate red at the startup lamp check, but it lights up green. Still, I'm not sure it's cause to doubt its functionality.
    I would imagine it is one LED that can light up in multiple colors, so you know it works when the green comes on. Still, only way to know 100% is to look at the board behind the panel. I'd wager its almost certain to be one LED though

    Sorry for being so late to the thread haha

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    Quote Originally Posted by Nifty_Biscuit View Post
    I would imagine it is one LED that can light up in multiple colors, so you know it works when the green comes on. Still, only way to know 100% is to look at the board behind the panel. I'd wager its almost certain to be one LED though

    Sorry for being so late to the thread haha
    You're SO late that Eggman has moved on to a Tesla already!

  6. #25
    Quote Originally Posted by Nifty_Biscuit View Post
    I'd wager its almost certain to be one LED though
    How much? I'm pretty sure they're 2 different lights. Just going from memory though.


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