Common for a cracked coolant temperature sender. Although there are many other possiblilites. Don't wait, get it figured out ASAP.
Any coolant leak can cause an overheat.Any coolant leak can cause an overheat.
Yes, low coolant will cause it to overheat without the AC; that is not the only reason that will cause overheating however.
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No, if anything it would get cooler from having too much. -You have a different problem, possibly a coolant leak.
A leaking heater core will cause the engine to overheat because the coolant is leaking out.
Possibly a clogged or restricted radiator Low coolant Cooling fan not working Thermostat not opening fully
It willl overheat when it gets low on coolant.
it is possible for heat from combustion to cause an engine to overheat quickly depending on where the gasket is blown, but i would look for a lack of coolant circulation first. if your coolant is not getting out of the motor and into the radiator it will overheat very quickly.
It can prevent coolant flow, which can cause a catastrophic overheat.
Yes, if it is not holding pressure or is allowing a coolant leak.
If coolant is up to proper level and cooling fans are working - should not overheat
If by water you mean engine coolant, yes. Loss of coolant, antifreeze, is a major cause of overheating.