Does Haval vehicles have a particulate filter?
2 Answers
All Haval models are equipped with particulate filters. A particulate filter is a ceramic filter installed in the diesel engine's emission system, which captures particulate emissions before they enter the atmosphere. Methods to check for a particulate filter: Refer to the and to see if there is a particulate filter function. Additionally, you can carefully check 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 0W-20 grade oil, it means a particulate filter is installed; look behind the three-way catalytic converter on the exhaust pipe for a cylindrical section—if present, that is the particulate filter. Principle of the particulate filter: 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 engine's exhaust particulate trap through a dedicated pipeline. Inside, a densely arranged bag-type filter captures the carbon particles on a filter made of metal fiber felt. When the accumulation of particles reaches a certain level, the burner at the end automatically ignites, burning off the captured carbon particles and converting them into harmless carbon dioxide, which is then released.
I've driven several Haval vehicles and noticed that particulate filters are quite common, especially in diesel models like the Haval H5 or H9 diesel versions, which are basically all equipped with DPF. This device specifically captures fine particles in the exhaust to reduce air pollution. After the implementation of the China VI emission standards, Great Wall Motors added these to enhance environmental performance. The regeneration process is quite interesting—it automatically burns accumulated particles during prolonged high-speed driving to prevent clogging. However, I must remind you that frequent short trips can easily trigger an alert, but this can be resolved by driving on the highway for about half an hour. Maintenance is simple; just have the technician check it during your annual service. Overall, the particulate filter design in Haval vehicles is reliable and improves driving eco-friendliness.
