5-90 ohms. According to the Inquiry Excavator Alliance, the excavator diesel oil level sensor is what we usually call a fuel float, and the store price of the float is 5-90 ohms. Use the following method to measure. Drain all the fuel in the fuel tank. Use a multimeter to measure the resistance of the sensor while the vehicle is powered on. Find a thin steel wire on the float in the fuel tank and hook it slowly. , pull evenly, and observe the change of its resistance value at the same time.