What to Do If a Vehicle Fails the Exhaust Emission Test?
1 Answers
Solutions for a vehicle failing the exhaust emission test include: 1. Cleaning the three-way catalytic converter and oxygen sensor; 2. Cleaning or replacing the spark plugs; 3. Performing a deep cleaning of the engine interior. Reasons for failing the exhaust emission test are: 1. Frequent urban driving leading to excessive engine carbon buildup; 2. Using low-quality gasoline; 3. Wear and tear of engine components. Vehicle exhaust refers to the waste gases produced during vehicle operation, containing various compounds, including pollutants such as particulate matter, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides, lead, and sulfur oxides.