Does the 14th-generation Sylphy have a particulate filter?
2 Answers
14th-generation Sylphy models starting from the 2021 version are equipped with particulate filters to meet the China VI emission standards. A particulate filter is a ceramic filter installed in the diesel engine emission system that captures particulate emissions before they enter the atmosphere. It can reduce soot produced by diesel engines by more than 90%, and the captured particulate emissions are subsequently burned off during vehicle operation. Pollution from diesel engines mainly comes from three sources—particulate emissions, hydrocarbons (HCx), nitrogen oxides (NOx), and sulfur. Among these, particulate emissions (soot) are mostly composed of tiny carbon or carbide particles (measuring less than 4-20μm). How the particulate filter works: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the exhaust particulate filter through a dedicated pipeline. After passing through its densely arranged bag-type filter, the carbon soot particles are adsorbed onto a filter made of metal fiber felt. When the adsorption of particles reaches a certain level, the burner at the end automatically ignites, burning off the adsorbed carbon soot particles and converting them into harmless carbon dioxide that is then expelled. To check whether the 14th-generation Sylphy has a particulate filter, you can use the following three methods: Check the "Owner's Maintenance Manual" and "Owner's User Manual" to see if there is a particulate filter function. Additionally, carefully review the fault codes in the manual to see if there is a "particulate filter" warning light indicator. Check the label on the oil filler cap. If the oil filler cap clearly indicates 0W-20 grade oil, it means the vehicle is equipped with a particulate filter. Check whether there is a cylindrical section on the exhaust pipe behind the three-way catalytic converter. If there is, that is the particulate filter.
As someone who frequently works on cars, I know the 14th-generation Sylphy is indeed equipped with a particulate filter, which is quite common in vehicles meeting the China VI emission standards. This device is located in the exhaust pipe and captures fine particulate matter in the exhaust, similar to PM2.5, reducing air pollution. You might not notice anything unusual during daily driving, but it's important to regularly drive on highways to allow for automatic regeneration and clear out carbon buildup. Otherwise, if it gets clogged, a warning light may come on, and it could even affect performance and fuel consumption. I recommend developing a habit right after buying a new car: every 1,000 to 2,000 kilometers, take it on an expressway for about half an hour to keep the system running smoothly. It's simple and cost-effective maintenance, so you don't need to frequently visit the dealership. Overall, there aren't any major issues—just follow the prompts.
