What are the methods to deal with excessive carbon monoxide in car exhaust?
2 Answers
Clean the three-way catalytic converter. Once this component is clogged or too dirty, it will lose its ability to convert carbon monoxide. Check the dashboard for any engine warning lights. If the air-fuel ratio of the engine cannot stabilize, incomplete combustion may occur.
I've been driving trucks for over twenty years and encountered excessive carbon monoxide levels several times, usually due to overly rich engine fuel mixture or aging systems. When dealing with it, I start with simple checks, like cleaning the air filter to see if it's clogged, which can prevent insufficient air intake leading to incomplete combustion. The oxygen sensor often gives trouble, so I frequently replace it myself with a new one to test. Also, if the spark plugs misfire, I check the ignition coils for cracks or oxidation. If the catalytic converter is broken, the vehicle inspection will definitely fail, so it needs timely replacement. Don’t slack on regular maintenance—use good fuel additives to reduce carbon buildup and test exhaust concentration periodically. Once, at a repair shop, I found a leak in the three-way catalytic converter. After spending a few hundred bucks to fix it, emissions returned to normal. Safe driving really comes down to paying attention to these small details.
