Question

Technician A says that an oxygen sensor can have​ one, two,​ three, four, or more​ wires, depending on the style and design. Technician B says that if the exhaust has little​ oxygen, the voltage of the oxygen sensor will be close to 1 volt​ (1000 mV) and close to zero if there is high oxygen content in the exhaust. Who is​ right?

Answer 1

Answer:

Both technicians A and B are right.

Explanation:

-The most common application is to measure the exhaust-gas concentration of oxygen.The probe typically has four wires attached to it: two for the lambda output, and two. The number of wires depends on design and style.

-An oxygen sensor will typically generate up to about 0.9 volts($\approx 1.0V$) when the fuel mixture is rich and there is little unburned oxygen in the exhaust. When the mixture is lean, the sensor's output voltage will drop down to about 0.1( $\approx 0.0V$)volts