Technician a Says the Oxygen Sensor (O₂S)detects Misfires by Monitoring

question 37

Multiple Choice

Technician A says the oxygen sensor (O₂S) detects misfires by monitoring the amount of unburned fuel in the exhaust system. Technician B says a heating element inside the sensor allows the sensor to reach operating temperature quickly and to maintain its temperature during periods of idling or low engine load. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B