Diesel engines run hotter and under more stress than gasoline engines, making their cooling systems critical for performance and longevity. From choosing the right coolant to maintaining radiator ...

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 ...

An open-loop cooling system, also called raw water cooling, draws water directly from the body of water the boat is floating in, whether it's saltwater or freshwater. That water is pulled through a ...

Stricter emission standards, new pedestrian safety laws and the relentless push for reduced fuel consumption have triggered a flow of engine cooling innovations. Matthew Beecham reports on what’s in ...

Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...