Quote:
Originally Posted by Anthony8858
Im gonna take a guess and say it could be a sticky thermostat.
When the car initially starts (cold), the thermostat may take a bit longer to fully open. This will result in more pressure and a higher coolant temp.
After fully warming up, the thermostat may gradually open or stay open a bit longer than it would over night.
When you start again to come home, the thermostat may not have to work as hard to fully open.
I would change the thermostat.
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A faulty thermostat will store a code on the computer, there are no codes stored in the computer at this time, so a faulty thermostat condition has been discarded !