[Answered] Which exhaust gas reading indicates a good catalytic converter?

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

fbq8i

Hero Member
Posts: 527

on: Aug 13, 2021

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?
◦ O₂is 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

Sr. Member
Posts: 309

Reply #1 on: Aug 13, 2021

Answer 1

Upstream

Answer 2

CO is zero

fbq8i

Member
Posts: 527

Reply 2 on: Aug 13, 2021

Thanks for the timely response, appreciate it

sultana.d

Member
Posts: 320

Reply 3 on: Yesterday

Excellent

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