The particle filter is a pretty modern technology that aims to remove harmful particles from the exhaust gases of modern diesels. It has long been seen as the miracle solution to these pollution complications. Nevertheless, it doesn’t work as well as expected and causes more complications than it resolves, which is why we will find out on this page when changing the particulate filter of a Mazda CX 7? . To get this done, first of all, we will find out what the particle filter on your car is intended for, and then when to replace the particle filter on your Mazda CX 7.

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What’s the point of a Mazda CX 7’s particulate filter?

So we commence our content with the explanation to do this component not too long ago included into diesel vehicles. As we described quickly in the introduction, the goal of this filter was to fix the complications of pollution and harmfulness of exhaust fumes from Mazda CX 7 vehicles. Its operating principle is to store exhaust fumes that are unburned or that still contain harmful particles, and when it is at a adequately high temperature to bring about a second combustion that will finish burning and get rid of all these carcinogenic particles. Unfortunately, to reach this very high engine unit temperature, you have to be on the highway or have your Mazda CX 7 engine unit revving up. So we have realized as time passes that cars that are principally on short trips or in the city do not allow the particulate filter to burn these fumes and we will see in the next section that these complications can force you to replace the particulate filter of your Mazda CX 7 .

When to replace the particulate filter of a Mazda CX 7?

In this section we will find out what you are clearly attracted to here, if it is required to replace the particulate filter of a Mazda CX 7 and if so, when?

Is it required to replace the particulate filter on Mazda CX 7?

There are 2 types of particulate filter for cars, a particulate filter with additive, which does not matter the Mazda CX 7, but which needs to be recharged every 120, 000km with an additive that enables the regeneration of the particulate filter and consequently to burn all those harmful soot. The second one, the one we are enthusiastic about 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 above, 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 7 because of your particulate filter, do not think twice to look at our content on this subject to find out what the procedure is.

When to replace the particulate filter of a Mazda CX 7?

As we explained just before, a particulate filter is supposed to last the life of the car, however some of you might wonder when it is required to replace the particulate filter of its Mazda CX 7? Be aware that this component 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 case of a completely clogged particle filter. If you don’t repeatedly take the motorway, we advise 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 troublesome, it is considered that because of the lack of a sufficiently regular temperature rise and other design complications, 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 .

To get more tips on the Mazda CX 7, take a look at the Mazda CX 7 category.