Hi,
If it is leaking coolant and it gets low, that will cause it to overheat. Have you been able to locate the leak? That is the first thing I recommend. Locate the leak, repair it, and then when we know the coolant is full, see if it overheats.
Here is a link you may find helpful:
https://www.2carpros.com/articles/car-is-leaking-coolant
Also, when it overheats, does it happen while at highway speeds or does it seem to happen in stop and go traffic? If it is in traffic, pay attention if the cooling fans are operating.
Let me know. Also, let me know why you questioned the head gasket.
Take care,
Joe
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Friday, July 7th, 2023 AT 8:29 PM