Hi can you post the entire thread?  I only got the single below reply.

Eric Caron

> On Sep 15, 2022, at 12:08 PM, Ed McLean <email99@NC.RR.COM> wrote:
>
> Maybe improper coolant concentration or old coolant sensor in the plastic
> coolant tank?  I've tried cleaning the sensor pins with no success.
>
> Of course, you know these things.
>
> Ed