Quote:
Originally Posted by N41EF
On my 123, I replaced the thermostat because the old one was sticking open, no heat in the winter. The new one had a 82 degree rating, meaning it STARTED opening at 82, so my car ran about 85 to 90 in cruise, and up to 95 sitting in traffic. If your old one had failed, or was old/weak and opened early, yes you can get a 10 degree change.
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Same thing happened to me, before it was fixed it never even got close to 90 now in traffic 95.