Engine Overheating can happen for many reasons. Generally, vehicles overheat because of a problem with the cooling system, that doesn’t allow heat to leave the engine compartment. This is often due to a leak or blockage, somewhere in the engine cooling system or other components. Other sources may be from a faulty or broken water pump or radiator fan, or from a clogged coolant hose.

Intermittent Temperature Related Engine Problems, Where To Start
Diagnosing intermittent temperature related engine problems, can be a challenge, especially if they affect driveability. Problems that come and go or only occur under certain driving or operating conditions, can be very difficult to troubleshoot. […]