Which statement is true about carbon monoxide (CO)?
A) It is a result of too much combustion
B) It is a result of a lean air fuel ratio
C) It is a result of a misfire
D) It is a result of a rich air fuel ratio

Question

Quizplus · Accepted Answer

Carbon monoxide (CO) is primarily produced from incomplete combustion, which occurs when there is not enough oxygen to produce carbon dioxide (CO2). This condition is most commonly associated with a rich air-fuel ratio, where there is more fuel than air available for combustion.

Which Statement Is True About Carbon Monoxide (CO)