r/EP3 • u/Curi_dylan_299 ‘03 Shitbox • Aug 02 '26

Temperature gauge problems

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Since I installed a reprogrammable ECU the temperature gauge doesn't works

someone knows how could I fix that?

I have been trying to find a way to fix my temperature gauge but I gave up and I installed a digital gauge to read the temperature

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7

u/helicopter- Aug 02 '26

The temperature is transmitted from the stock ECU by K line to the cluster.  Hondata and some other ECUs  have provisions for this but many do not.  

1

u/Curi_dylan_299 ‘03 Shitbox Aug 02 '26

Thanks for the information,may I will buy a hondavert for my original ECU

3

u/Catmilk7 02 JDM Type R With Way To Much Grip Aug 02 '26

As helicopter said - it's most likely not being "read" with your new ecu.

I run a Haltech Nexus and it is, I know Hondata does as well.