Overheating can be a mystery-but I find that most of this problem is putting in the thermostat backwards, and/or not getting all the air out of hoses(upper and lower)-posible that water pump is shot, and or fan belt that drves pump is no good(unless driven by timing belt)-flush radiator to make sure that isn't clogged up...
My car starts right up when its cold but once I have driven it and it warms up if I turn it off and...
(More)
My car starts right up when its cold but once I have driven it and it warms up if I turn it off and then try to restart it while still hot it will not start. I am guessing one of the sensors is bad but which one?