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 Low coolant light intermittent

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9ty7rivi
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PostSubject: Low coolant light intermittent   Fri Jul 13, 2018 4:03 pm

I don't know if this has been asked or addressed as I looked through and didn't see anything similar. Just wondering if anyone has ran into this issue before regarding the low coolant light coming on every so often? Before I do any preliminary tests. Thanks for any advice!
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albertj
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PostSubject: Re: Low coolant light intermittent   Fri Jul 13, 2018 4:25 pm

Umm, the preliminary "test" is to look in the coolant reservoir and to open the radiator cap and see if the coolant is indeed low... Do that? What'd you find?
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9ty7rivi
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PostSubject: Re: Low coolant light intermittent   Fri Jul 13, 2018 5:19 pm

I apologize for not stating that I've done the obvious and looked into the radiator, and also checked my overflow reservoir everything looked good visually.
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9ty7rivi
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PostSubject: Re: Low coolant light intermittent   Fri Jul 13, 2018 5:21 pm

I should have also stated that by saying "preliminary" testi was referring to troubleshooting steps(electronic) and for my service manual procedures. I was just wondering if anyone else has encountered this issue.
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stydel311
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PostSubject: Re: Low coolant light intermittent   Fri Jul 13, 2018 9:19 pm

Mine used to do that. Replaced the sensor on the radiator, about halfway down on the passenger side.
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9ty7rivi
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PostSubject: Re: Low coolant light intermittent   Sat Jul 14, 2018 2:56 am

Thanks a lot!
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Lmck3
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PostSubject: Re: Low coolant light intermittent   Sat Jul 14, 2018 1:47 pm

my 95 riv had the same problem.

in hindsight it appears related to the common "intake-manifold-gaskets-fail" problem.

my low coolant alert was occasional & intermittant.
because the sensor cost more than $75,
i removed and cleaned the sensor.
[don't precisely recall what was used to clean, probably hot water/dish soap]

problem solved.

i concluded that the cause was contamination of the sensor caused by oil
that got into the coolant before the intake gaskets were changed.
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9ty7rivi
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PostSubject: Re: Low coolant light intermittent   Sat Jul 14, 2018 7:33 pm

Thanks for the input I will be looking into trying that out.
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albertj
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PostSubject: Re: Low coolant light intermittent   Mon Jul 16, 2018 12:23 pm

9ty7rivi wrote:
Thanks for the input I will be looking into trying that out.

Thanks for posting you'd done the obvious.  

My experience is that the factory coolant sensor just dies after some time/mileage.  IIRC I got a Delphi, that was years ago & I don't see any on rockauto.com now.   The Standard they show ought to be OK.  To cheap out you could pull one at a pick n pull.  I don't know what makes them fail; I do know they can get crud buildup on them.
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9ty7rivi
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Name : terrance
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PostSubject: Re: Low coolant light intermittent   Wed Jul 18, 2018 12:41 pm

Not a problem. Thanks for any and all input given. I take it where I can. I haven't had it come up since my last post. I figured after I ran it hard(not WOT) 1/2 throttle get it a little upset and force some coolant flow it would come up and nothing, yet.
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