Technician a Says That When the Voltage Output of an Air/fuel

question 9

Multiple Choice

Technician A says that when the voltage output of an air/fuel ratio sensor shifts below 3.3 V, it indicates a rich air/fuel mixture ratio. Technician B says that when the voltage output of an air/fuel ratio sensor shifts below 3.3 V, it indicates a lean air/fuel mixture ratio. Who is correct?

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

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