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 ...

If the coolant is too hot, your engine is far more vulnerable to a catastrophic failure. Just as important, ECT sensors can also be used by the engine control module to gauge a vehicle's performance ...

So your car’s temperature gauge is acting up, or not working at all, and you want to fix it? Good for you. Your car’s engine temperature is vital to its operation, and a properly-operating gauge is a ...

From weak batteries to faulty sensors, your car’s starting system is a delicate chain of components that all need to work in harmony. Understanding how each part—from the starter motor to the MAP and ...

When monitoring your cooling system, take the temperature reading at the point where the coolant is hottest; on most American V8s, this is at or near the thermostat housing. The big-block in our C10 ...