Name a common cause of engine overheating.

Engine overheating can often be traced back to low coolant levels or a malfunctioning thermostat. Coolant, also known as antifreeze, is crucial for regulating engine temperature by absorbing heat and dissipating it through the radiator. If the coolant levels are low, there is inadequate fluid to absorb the heat produced during engine operation, leading to increased engine temperatures.

A malfunctioning thermostat can also contribute significantly to overheating. The thermostat is responsible for regulating the flow of coolant to the engine; if it is stuck closed, coolant cannot circulate properly, preventing heat from being expelled and causing the engine to overheat.

While low oil levels can have detrimental effects on engine lubrication and overall function, they are less directly related to the cooling system compared to coolant levels and thermostat issues. Similarly, a faulty ignition system primarily affects engine performance in terms of combustion and power generation, rather than impacting temperature regulation directly. Blocked fuel lines relate more to fuel delivery issues, which would not cause overheating in the same manner.

By recognizing the critical role that coolant levels and the thermostat play in maintaining engine temperature, one can better understand the common causes of engine overheating and address these issues proactively.