The throttle position sensor (TPS) on a vehicle does just what the name suggests: it measures how far down the gas pedal is depressed. In the days before cars had computers there was no TPS. With the ...

Now that the digital multimeter and storage ‘scope have taken over electrical troubleshooting, you’ve probably buried that old analog meter in the bottom of the box, right? Maybe there’s life in the ...

Testing a diesel engine generator's coolant temperature sensor is done to make sure it's working correctly and making sure it's measuring the engine's coolant temperature accurately. As it helps ...