Author Question: An oxygen sensor is being tested with a digital multimeter using the MIN/MAX function. The readings ... (Read 49 times)

tingc95 · **on:** Aug 13, 2021

An oxygen sensor is being tested with a digital multimeter using the MIN/MAX function. The readings are: minimum = 78 mV; maximum = 932 mV; average = 442 mV. Technician A says that the engine is operating normally. Technician B says that the oxygen sensor is skewed too rich. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B