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Author Question: A vehicle fails an emission test due to excessive carbon monoxide indicating a rich air fuel ... (Read 33 times)

jenna1

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on: Aug 13, 2021
A vehicle fails an emission test due to excessive carbon monoxide indicating a rich air fuel mixture.
Technician A says that a saturated charcoal canister could be the cause. Technician B says that a stuck-closed EVAP purge solenoid could be the cause. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B


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Marked as best answer by jenna1 on Aug 13, 2021

Mochi

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Reply #1 on: Aug 13, 2021
Technician A only


jenna1

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Reply 2 on: Aug 13, 2021
Wow, this really help

elyse44

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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