When you turn the engine off and walk away, only to hear the radiator fan still spinning, don't panic. It is doing the job it was built to do. This is called after-run cooling, and unlike some of the ...

After a week with my new build I'm realizing that my fan curve settings are terrible. Bottom PWM fans are mapped to coolant temp, basically linear from 50% duty cycle @ 30 Celsius coolant to 100% duty ...

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 ...

The radiator fan (or fans) pulls cooling air through the car’s radiator. Positioned between the radiator and engine, cooling fans are particularly helpful when the car is stationary or moving at ...

Something I've realized over the past few years poking with a large variety of cars: Nobody has low coolant or low oil sensors! I drove an '88 Mazda RX-7 with both, and they were quite valuable! The ...