car goes up to hot when you idle or at lights then goes down no engine light on

What is your question?

Car goes up to the hot when you idle through a drivethrough or at lights then will go back down when you are driving Themorast was replaced and still does it

What makes this problem better or worse?

Dont idle

How long has your 1995 Oldsmobile Cutlass Supreme had this problem?

a few weeks