Do Nissan vehicles have particulate filters?
3 Answers
Most Nissan vehicles do not have particulate filters, but the 2021 Nissan Qashqai is equipped with one. A particulate filter is a ceramic filter installed in the exhaust system of diesel engines, which captures particulate emissions before they enter the atmosphere. Functions of the particulate filter: The particulate filter can reduce the soot produced by diesel engines by more than 90%, and the captured particulate emissions are subsequently burned off during vehicle operation. To check whether a vehicle 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, you can 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 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 three-way catalytic converter on the exhaust pipe to see if there is a cylindrical section. If there is, that is the particulate filter.
As a Nissan owner, I've driven SUVs like the X-Trail and Qashqai, and many models are indeed equipped with particulate filters. These devices mainly handle particulate matter in the exhaust to make emissions cleaner and comply with environmental regulations. However, not every vehicle has one: diesel models like some commercial Navaras are mostly equipped, while gasoline cars like the new Qashqai may have them in European and American markets, but some regional models might be simplified. Over time, they can easily clog, leading to increased fuel consumption or even triggering warning lights, requiring highway driving or professional regeneration to clear the soot. Nissan's design is quite maintenance-friendly, but replacement costs are high, running into thousands of yuan each time. In the long run, as emission standards tighten, more new Nissan models may come standard with this component, so remember to check the specifications when buying a car.
The particulate filter is a key device for vehicle emission reduction, especially widely used in diesel vehicles. As a major automaker, Nissan has equipped it as standard on many models, such as the diesel version of the Patrol, aiming to filter out particulates from exhaust gases to comply with stringent standards like Euro 6 in Europe. Gasoline models are also increasingly adopting it, such as the new Teana with a GPF version in certain markets. Its working principle involves trapping particles through porous materials, which can accumulate carbon deposits over long distances and require regeneration. Nissan's system is quite intelligent, featuring a self-cleaning mode, but frequent clogging can affect performance. Considering global environmental trends, if you're concerned about performance, it's essential to check the vehicle manual or consult a 4S store, as regional regulations may affect the installation.
