What are the solutions for failing HC emissions?

1 Answers
SanNoah
07/29/25 1:23pm
Solutions for failing HC emissions: Use higher-octane gasoline. Higher-octane fuel is cleaner and significantly reduces the content of harmful gases such as CO, NO, and HC after combustion. During annual vehicle inspections, filling up with high-octane gasoline can help purify exhaust emissions, making it easier to pass the inspection. Exhaust gases are emitted through the tailpipe, and the catalytic converter in the exhaust system is a crucial external purification device. It converts harmful gases like CO and HC from vehicle emissions into harmless carbon dioxide, water, and nitrogen. Neglecting the maintenance of the catalytic converter for extended periods can lead to clogging, reducing its ability to convert harmful gases and resulting in non-compliant emissions.
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