Does the Volvo S90 have a particulate filter?
3 Answers
The Volvo S90 is equipped with a particulate filter to meet the China VI emission standards. The particulate filter is a ceramic filter installed in the diesel engine's emission system, designed to capture 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. Diesel engine pollution mainly comes from four sources—particulate emissions, hydrocarbons (HCx), nitrogen oxides (NOx), and sulfur. Among these, particulate emissions (soot) are mostly composed of tiny particles of carbon or carbon compounds (smaller than 4-20μm in size). 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 pipe. Inside, a densely arranged bag-type filter captures the soot particles on a metal fiber felt filter. When the accumulation of particles reaches a certain level, the burner at the end automatically ignites, burning off the captured soot particles and converting them into harmless carbon dioxide, which is then expelled. To check whether the Volvo S90 has a particulate filter, you can use the following three methods: Refer to the and to see if the particulate filter function is mentioned. Check the label on the oil filler cap. If the oil cap clearly indicates the use of 0W-20 grade oil, it means the vehicle is equipped with a particulate filter. Look behind the catalytic converter on the exhaust pipe for a cylindrical section. If present, that is the particulate filter.
I drive a Volvo S90, and this car is indeed equipped with a particulate filter, which comes as standard across the entire range! Most vehicles meeting China 6b emission standards have to use this, and Volvo is no exception. Last winter, I paid special attention to the dashboard and noticed that after aggressive driving, the regeneration prompt would indeed activate automatically. I usually fill up with 95-octane fuel, and the dealership advised adding the original fuel additive to every tank to prevent clogging. After two years of driving, I haven’t seen any warning lights, but I still feel a bit uneasy when stuck in traffic for too long. I’ve heard that if you frequently drive short distances at low speeds, the system might not have enough time to regenerate, requiring manual high-speed driving, which isn’t very friendly for city commuters.
Friends who pay attention to environmental policies should know that since 2020, all China VI-b gasoline vehicles must be equipped with a particulate filter. As an environmental pioneer, the Volvo S90 is no exception. Moreover, its design is quite smart—the exhaust pipe comes with a temperature sensor. When the filter is about to get clogged, the dashboard will pop up a 'Cleaning in Progress' prompt. Don't panic at this point; just continue to press the accelerator deeply to maintain 2500 RPM for about 20 minutes, and it will be fine once the white smoke stops. Some members in my car club even reported lower fuel consumption after a highway run, which is essentially the system cleaning itself. However, turbocharged cars are advised not to idle for too long, as particulate matter can easily accumulate.
