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Author Question: NOx readings at idle should be less than ________. (Read 48 times)

charchew

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on: Aug 13, 2021

Question 1

HC and CO are high and CO2 and O2 are low. This could be caused by a ________.
◦ Rich mixture
◦ Lean mixture
◦ Defective ignition component
◦ Clogged EGR passage

Question 2

NOx readings at idle should be less than ________.
◦ 100 ppm
◦ 10 ppm
◦ 1 ppm
◦ None of these is correct


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Marked as best answer by charchew on Aug 13, 2021

duke02

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Reply #1 on: Aug 13, 2021

Answer 1

Rich mixture

Answer 2

100 ppm


charchew

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  • Posts: 579
Reply 2 on: Aug 13, 2021
Excellent

amynguyen1221

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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