Question

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technician a says that in modern vehicles, an oxygen sensor is only positioned in the exhaust pipe after the catalytic converter. technician b says that the oxygen sensor provides the electronic body control module with an electrical signal that relates to the amount of oxygen in the exhaust gas. who is correct?
○ a. technician a
○ b. technician b
○ c. both technician a and technician b
○ d. neither technician a nor technician b

Explanation:

In modern vehicles, oxygen sensors can be located both before and after the catalytic converter, so Technician A is wrong. The oxygen sensor does provide the electronic body - control module with an electrical signal related to the amount of oxygen in the exhaust gas, so Technician B is correct.

Answer:

B. Technician B