The particle filter is a pretty modern technology that aims to take out harmful particles from the exhaust gases of latest diesels. It has long been discovered as the miracle solution to these pollution problems. Nevertheless, it doesn’t work as well as designed and causes more problems than it solves, which is why we will see on this page when changing the particulate filter of a Mazda CX 9? . To do this, first of all, we will find out what the particle filter on your car is used for, and then when to replace the particle filter on your Mazda CX 9.

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What’s the point of a Mazda CX 9’s particulate filter?

So we commence our article content with the rationale for this element recently built in into diesel automobiles. As we mentioned briefly in the introduction, the goal of this filter was to fix the problems of pollution and harmfulness of exhaust gases from Mazda CX 9 automobiles. Its operating concept is to store exhaust gases that are unburned or that still contain harmful particles, and when it is at a sufficiently high temperature to bring about a second combustion that will finish burning and eliminate all these carcinogenic particles. Sadly, to reach this very high engine unit temperature, you have to be on the highway or have your Mazda CX 9 engine unit revving up. So we have realized over time that cars that are principally on short trips or in the city do not enable the particulate filter to burn these gases and we will see in the next part that these problems can force you to replace the particulate filter of your Mazda CX 9 .

When to replace the particulate filter of a Mazda CX 9?

In this section we will find out what you are most definitely attracted to here, whether it is necessary to replace the particulate filter of a Mazda CX 9 and if so, when?

Is it necessary to replace the particulate filter on Mazda CX 9?

There are 2 kind of particulate filter for cars, a particulate filter with additive, which does not concern the Mazda CX 9, but which needs to be recharged every 120, 000km with an additive that allows the regeneration of the particulate filter and therefore to burn all those harmful soot. The second one, the one we are interested in in this article, functions with precious metals that will produce a chemical reaction at high temperature and bring about the regeneration of the filter and the evacuation of the carcinogenic materials. Nevertheless, as revealed earlier, it requires very high temperatures, if these are not reached the filter will clog. If the filter is not regenerated manually, drive at high speed for about 20 minutes to reach this temperature and thus regenerate your filter, you will clog it and risk damaging your turbo, your EGR valve or your engine unit. If you need to clean the EGR valve of your Mazda CX 9 because of your particulate filter, do not hesitate to check out our content page on this subject to find out what the procedure is.

When to replace the particulate filter of a Mazda CX 9?

As we revealed just before, a particulate filter is supposed to last the life of the car, however some of you may wonder when it is necessary to replace the particulate filter of its Mazda CX 9? Take note that this part is extremely expensive, labor is not the main issue because it is easy to access. But the part itself will vary enormously in price based on your motorization, you can still count a range between 700 and 2000€. This replace should just be considered in the circumstance of a completely clogged particle filter. If you don’t repeatedly take the motorway, we recommend you, every month to drive 10 minutes on the motorway at least 3000 rpm . In spite of everything, the current particulate filter have not been well designed and remain problematic, it is considered that because of the lack of a sufficiently regular temperature rise and other design problems, you should begin planning to replace your particulate filter from 200, 000km if you have a use of your XX that is more urban and a little more if it is mixed .

If you need more guides on the Mazda CX 9, go to our Mazda CX 9 category.