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Author Question: An excessively lean air/fuel ratio resulting in misfires causes HC emissions to ____________________. (Read 60 times)

kodithompson

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Question 1


A restricted or plugged ____________________ system may cause excessive HC and CO emissions.


◦ PCV / positive crankcase ventilation
◦ *

Question 2


An excessively lean air/fuel ratio resulting in misfires causes HC emissions to ____________________.


◦ increase
◦ *


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Marked as best answer by kodithompson on Oct 6, 2021

bobsmith

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kodithompson

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Reply 2 on: Oct 6, 2021
Thanks for the timely response, appreciate it


xoxo123

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Reply 3 on: Yesterday
Excellent

 

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