Quote:
Originally Posted by Tannaton
I was responding to the OP when he said "Also the confusing thing is that when the car is stationary but engine running, the temp immediately drops a few degrees. "
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Yes a drop can be normal once stationary but it can depend on the circumstances.
I've been on the motorway in summer then hit a very dense traffic jam and the coolant temperature has risen even at idle from heat soak.
OPs starting point is 112°C so a few degrees drop when idling would still be over 100 which definitely isn't normal.