Vehicles have three kinds of oil lights, and each means something different. So when they come on, how long should you wait ...

The Quality-Level-Temperature-Sensor (QLT-Sensor) provides the dielectric number, level and temperature of fluids used in passenger car engines e.g. engine oils. The dielectric number can be used to ...

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 ...