When Testing an Oxygen Sensor Using a DSO (Digital Storage

question 19

Multiple Choice

When testing an oxygen sensor using a DSO (digital storage oscilloscope) , how quickly should the voltage change when either propane is added to the intake stream or when a vacuum leak is created?

• A) Less than 100 ms
• B) 100-200 ms
• C) 450-550 ms
• D) 1-3 seconds

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