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

Question

Quizplus · Accepted Answer

Technician B is correct because oxygen sensors do have a heating element to reach and maintain operating temperature quickly, which is crucial for accurate readings. Technician A is incorrect because oxygen sensors primarily measure oxygen levels in the exhaust to optimize fuel injection, not to detect misfires directly.

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

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