The P0118 code means that the engine control module (ECM) has detected a voltage signal that’s too high from the engine coolant temperature (ECT) sensor (below). In practical terms, the ECM believes ...

As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...

Cooling System Performance Under Desert Conditions. A vehicle’s cooling system regulates engine temperature by circulating coolant through the engine block and releasing heat th ...

While new vehicles may have a “lifetime” coolant, there are some exceptions.

Question: Hello to everyone atVettemagazine, I recently bought my father’s Corvette and it seems to be running a little hot. When I checked the coolant it looks very dirty and there is a lot of red, ...