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Hello all,

I have watched three tutorials on how to test the coolant with multimeter.
But they use different measures as follows:

https://www.youtube.com/watch?v=FIoc5HtacVs
from 0.001 to 0.005(V) Good coolant
0.07(V) above Bad coolant

https://www.youtube.com/watch?v=mBXZtfzHhig
from 0.01-0.05(V) Good coolant
0.07(V) above Bad coolant

https://www.youtube.com/watch?v=yt1byw9NF2M
test when coolant is warm?
less 0.5(V) Good coolant
0.5(V) above Bad coolant

Q1> Do I need to test the coolant when it is warm?

Q2> What is the real good range for taurus coolant?

I have tested mine when coolant is cold and the reading starts from 0.1(V) then it stays at 0.06(V).

Thank you
 

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The specs I have are: test at operating temp and 2,000 RPM. Anything less than .6-V is good. Don't know where people are coming up with .06-v. And keep in mind that this test is only checking for electrolysis to tell you the condition of the anti-corrosion inhibitors in the coolant. It doesn't check any of the other additives or freeze protection.
 

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Use test strips instead for more complete info.
 
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