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Author Question: Which exhaust gas reading indicates a good catalytic converter? (Read 125 times)

fbq8i

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Question 1

When observing O2S waveforms on a DSO on an OBD-II vehicle, which O2 sensor should have more oscillations in its O2S waveform?
◦ Upstream
◦ Downstream
◦ They will be equal
◦ None of these

Question 2

Which exhaust gas reading indicates a good catalytic converter?
◦ Ois zero
◦ CO is zero
◦ Both A and B
◦ Neither A nor B



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Marked as best answer by fbq8i on Aug 13, 2021

Jane

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Answer 1

Upstream

Answer 2

CO is zero




fbq8i

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Reply 2 on: Aug 13, 2021
Thanks for the timely response, appreciate it


sultana.d

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Reply 3 on: Yesterday
Excellent

 

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