A vehicle failed an emission test due to high carbon monoxide and ...

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Question 1

A small leak is detected by the evaporative emission control system monitor that could be caused by a loose gas cap. Which DTC will likely be set?
◦ P0440
◦ P0442
◦ P0446
◦ P0440, P0441, or P0442

Question 2

A vehicle failed an emission test due to high carbon monoxide and hydrocarbons in the exhaust gas. What could be the cause?
◦ Saturated EVAP charcoal canister
◦ Overfilling the fuel tank
◦ Either A or B
◦ Neither A nor B

[bassamabas]

Answer 1

P0440, P0441, or P0442

Answer 2

Either A or B

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Thanks for the timely response, appreciate it

YES! Correct, THANKS for helping me on my review