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Discussion Starter · #1 ·
I replaced the thermostat back in March. Did the burping, Cleared the code.
My CEL stays on all the time because of the IMA being disconnected. Ran a routine code check the other day and saw I still have the same po128 code I had before I replaced the thermostat.

I gave the year make and model to Auto Zone when I got the aftermarket thermostat. Could it be the wrong temperature thermostat?

I ordered a genuine Honda thermostat from my local Honda dealer yesterday. It’s on back order.
the Honda thermostat was cheaper online but add in the shipping and it’s not that much cheaper.

What else could it be?
 

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look for corrosion on the temp sensor connector.

Are you able to look at "live data" with a scan tool?
 
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